Home / 587,635,998.40-881,453,997.60-315,538,206.40

Finding the Fourth Proportional to 587,635,998.40, 881,453,997.60 and 315,538,206.40

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Solution

The fourth proportional to 587,635,998.40, 881,453,997.60 and 315,538,206.40 is: 473,307,309.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,635,998.40 : 881,453,997.60 = 315,538,206.40 : x
  2. Step 2: Convert to fraction form
    587,635,998.40/881,453,997.60 = 315,538,206.40/x
  3. Step 3: Cross multiply
    587,635,998.40x = 881,453,997.60 × 315,538,206.40
  4. Step 4: Simplify right side
    587,635,998.40x = 278,132,413,426,813,888
  5. Step 5: Solve for x
    x = 278,132,413,426,813,888/587,635,998.40
  6. Step 6: Final answer
    x = 473,307,309.60

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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.