Home / 545,098,678.72-752,232,349.76-297,580,032.88

Finding the Fourth Proportional to 545,098,678.72, 752,232,349.76 and 297,580,032.88

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Solution

The fourth proportional to 545,098,678.72, 752,232,349.76 and 297,580,032.88 is: 410,658,356.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,098,678.72 : 752,232,349.76 = 297,580,032.88 : x
  2. Step 2: Convert to fraction form
    545,098,678.72/752,232,349.76 = 297,580,032.88/x
  3. Step 3: Cross multiply
    545,098,678.72x = 752,232,349.76 × 297,580,032.88
  4. Step 4: Simplify right side
    545,098,678.72x = 223,849,327,374,980,448
  5. Step 5: Solve for x
    x = 223,849,327,374,980,448/545,098,678.72
  6. Step 6: Final answer
    x = 410,658,356.21

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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.