Home / 903,753,785.08-1,247,111,778.38-507,200,187.26

Finding the Fourth Proportional to 903,753,785.08, 1,247,111,778.38 and 507,200,187.26

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Solution

The fourth proportional to 903,753,785.08, 1,247,111,778.38 and 507,200,187.26 is: 699,897,846.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,753,785.08 : 1,247,111,778.38 = 507,200,187.26 : x
  2. Step 2: Convert to fraction form
    903,753,785.08/1,247,111,778.38 = 507,200,187.26/x
  3. Step 3: Cross multiply
    903,753,785.08x = 1,247,111,778.38 × 507,200,187.26
  4. Step 4: Simplify right side
    903,753,785.08x = 632,535,327,528,487,680
  5. Step 5: Solve for x
    x = 632,535,327,528,487,680/903,753,785.08
  6. Step 6: Final answer
    x = 699,897,846.04

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.