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Finding the Fourth Proportional to 528,409,812.60, 792,614,718.90 and 183,248,724.60

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Solution

The fourth proportional to 528,409,812.60, 792,614,718.90 and 183,248,724.60 is: 274,873,086.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,409,812.60 : 792,614,718.90 = 183,248,724.60 : x
  2. Step 2: Convert to fraction form
    528,409,812.60/792,614,718.90 = 183,248,724.60/x
  3. Step 3: Cross multiply
    528,409,812.60x = 792,614,718.90 × 183,248,724.60
  4. Step 4: Simplify right side
    528,409,812.60x = 145,245,636,337,612,512
  5. Step 5: Solve for x
    x = 145,245,636,337,612,512/528,409,812.60
  6. Step 6: Final answer
    x = 274,873,086.90

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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.