Home / 323,513,337.60-485,270,006.40-201,069,331.20

Finding the Fourth Proportional to 323,513,337.60, 485,270,006.40 and 201,069,331.20

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Solution

The fourth proportional to 323,513,337.60, 485,270,006.40 and 201,069,331.20 is: 301,603,996.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,513,337.60 : 485,270,006.40 = 201,069,331.20 : x
  2. Step 2: Convert to fraction form
    323,513,337.60/485,270,006.40 = 201,069,331.20/x
  3. Step 3: Cross multiply
    323,513,337.60x = 485,270,006.40 × 201,069,331.20
  4. Step 4: Simplify right side
    323,513,337.60x = 97,572,915,638,267,712
  5. Step 5: Solve for x
    x = 97,572,915,638,267,712/323,513,337.60
  6. Step 6: Final answer
    x = 301,603,996.80

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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.