Home / 526,406,129.44-726,463,164-291,456,795.04

Finding the Fourth Proportional to 526,406,129.44, 726,463,164 and 291,456,795.04

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Solution

The fourth proportional to 526,406,129.44, 726,463,164 and 291,456,795.04 is: 402,222,948.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,406,129.44 : 726,463,164 = 291,456,795.04 : x
  2. Step 2: Convert to fraction form
    526,406,129.44/726,463,164 = 291,456,795.04/x
  3. Step 3: Cross multiply
    526,406,129.44x = 726,463,164 × 291,456,795.04
  4. Step 4: Simplify right side
    526,406,129.44x = 211,732,625,494,057,920
  5. Step 5: Solve for x
    x = 211,732,625,494,057,920/526,406,129.44
  6. Step 6: Final answer
    x = 402,222,948.50

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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.