Home / 1,072,402,248.40-1,608,603,372.60-759,489,787.60

Finding the Fourth Proportional to 1,072,402,248.40, 1,608,603,372.60 and 759,489,787.60

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Solution

The fourth proportional to 1,072,402,248.40, 1,608,603,372.60 and 759,489,787.60 is: 1,139,234,681.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,402,248.40 : 1,608,603,372.60 = 759,489,787.60 : x
  2. Step 2: Convert to fraction form
    1,072,402,248.40/1,608,603,372.60 = 759,489,787.60/x
  3. Step 3: Cross multiply
    1,072,402,248.40x = 1,608,603,372.60 × 759,489,787.60
  4. Step 4: Simplify right side
    1,072,402,248.40x = 1,221,717,833,788,617,728
  5. Step 5: Solve for x
    x = 1,221,717,833,788,617,728/1,072,402,248.40
  6. Step 6: Final answer
    x = 1,139,234,681.40

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Half scale
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Double scale
Find fourth proportional to 1,072,402,249.40, 1,608,603,374.10 and 759,489,788.60
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.