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Finding the Fourth Proportional to 632,309,952.56, 872,679,052.19 and 364,334,480.94

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Solution

The fourth proportional to 632,309,952.56, 872,679,052.19 and 364,334,480.94 is: 502,834,200.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,309,952.56 : 872,679,052.19 = 364,334,480.94 : x
  2. Step 2: Convert to fraction form
    632,309,952.56/872,679,052.19 = 364,334,480.94/x
  3. Step 3: Cross multiply
    632,309,952.56x = 872,679,052.19 × 364,334,480.94
  4. Step 4: Simplify right side
    632,309,952.56x = 317,947,069,506,854,848
  5. Step 5: Solve for x
    x = 317,947,069,506,854,848/632,309,952.56
  6. Step 6: Final answer
    x = 502,834,200.57

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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.