Home / 529,737,562.86-731,032,035.48-291,577,655.40

Finding the Fourth Proportional to 529,737,562.86, 731,032,035.48 and 291,577,655.40

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Solution

The fourth proportional to 529,737,562.86, 731,032,035.48 and 291,577,655.40 is: 402,373,971.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,737,562.86 : 731,032,035.48 = 291,577,655.40 : x
  2. Step 2: Convert to fraction form
    529,737,562.86/731,032,035.48 = 291,577,655.40/x
  3. Step 3: Cross multiply
    529,737,562.86x = 731,032,035.48 × 291,577,655.40
  4. Step 4: Simplify right side
    529,737,562.86x = 213,152,606,927,548,000
  5. Step 5: Solve for x
    x = 213,152,606,927,548,000/529,737,562.86
  6. Step 6: Final answer
    x = 402,373,971.32

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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.