Home / 529,737,536.63-731,031,998.89-291,577,629.15

Finding the Fourth Proportional to 529,737,536.63, 731,031,998.89 and 291,577,629.15

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Solution

The fourth proportional to 529,737,536.63, 731,031,998.89 and 291,577,629.15 is: 402,373,934.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,737,536.63 : 731,031,998.89 = 291,577,629.15 : x
  2. Step 2: Convert to fraction form
    529,737,536.63/731,031,998.89 = 291,577,629.15/x
  3. Step 3: Cross multiply
    529,737,536.63x = 731,031,998.89 × 291,577,629.15
  4. Step 4: Simplify right side
    529,737,536.63x = 213,152,577,069,131,616
  5. Step 5: Solve for x
    x = 213,152,577,069,131,616/529,737,536.63
  6. Step 6: Final answer
    x = 402,373,934.88

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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.