Home / 1,048,032,132.60-1,572,048,198.90-806,167,428.60

Finding the Fourth Proportional to 1,048,032,132.60, 1,572,048,198.90 and 806,167,428.60

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Solution

The fourth proportional to 1,048,032,132.60, 1,572,048,198.90 and 806,167,428.60 is: 1,209,251,142.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,032,132.60 : 1,572,048,198.90 = 806,167,428.60 : x
  2. Step 2: Convert to fraction form
    1,048,032,132.60/1,572,048,198.90 = 806,167,428.60/x
  3. Step 3: Cross multiply
    1,048,032,132.60x = 1,572,048,198.90 × 806,167,428.60
  4. Step 4: Simplify right side
    1,048,032,132.60x = 1,267,334,054,142,474,496
  5. Step 5: Solve for x
    x = 1,267,334,054,142,474,496/1,048,032,132.60
  6. Step 6: Final answer
    x = 1,209,251,142.90

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Double scale
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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.