Home / 1,248,092,783.40-1,872,139,175.10-603,120,239.40

Finding the Fourth Proportional to 1,248,092,783.40, 1,872,139,175.10 and 603,120,239.40

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Solution

The fourth proportional to 1,248,092,783.40, 1,872,139,175.10 and 603,120,239.40 is: 904,680,359.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,092,783.40 : 1,872,139,175.10 = 603,120,239.40 : x
  2. Step 2: Convert to fraction form
    1,248,092,783.40/1,872,139,175.10 = 603,120,239.40/x
  3. Step 3: Cross multiply
    1,248,092,783.40x = 1,872,139,175.10 × 603,120,239.40
  4. Step 4: Simplify right side
    1,248,092,783.40x = 1,129,125,027,476,430,464
  5. Step 5: Solve for x
    x = 1,129,125,027,476,430,464/1,248,092,783.40
  6. Step 6: Final answer
    x = 904,680,359.10

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Half scale
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Double scale
Find fourth proportional to 1,248,092,784.40, 1,872,139,176.60 and 603,120,240.40
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.