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Finding the Fourth Proportional to 532,470,529.14, 798,745,952.64 and 158,948,924.20

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Solution

The fourth proportional to 532,470,529.14, 798,745,952.64 and 158,948,924.20 is: 238,435,374.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,470,529.14 : 798,745,952.64 = 158,948,924.20 : x
  2. Step 2: Convert to fraction form
    532,470,529.14/798,745,952.64 = 158,948,924.20/x
  3. Step 3: Cross multiply
    532,470,529.14x = 798,745,952.64 × 158,948,924.20
  4. Step 4: Simplify right side
    532,470,529.14x = 126,959,809,879,831,328
  5. Step 5: Solve for x
    x = 126,959,809,879,831,328/532,470,529.14
  6. Step 6: Final answer
    x = 238,435,374.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.