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Finding the Fourth Proportional to 615,166,813.38, 922,752,614.02 and 148,827,489.06

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Solution

The fourth proportional to 615,166,813.38, 922,752,614.02 and 148,827,489.06 is: 223,241,812.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,166,813.38 : 922,752,614.02 = 148,827,489.06 : x
  2. Step 2: Convert to fraction form
    615,166,813.38/922,752,614.02 = 148,827,489.06/x
  3. Step 3: Cross multiply
    615,166,813.38x = 922,752,614.02 × 148,827,489.06
  4. Step 4: Simplify right side
    615,166,813.38x = 137,330,954,563,534,192
  5. Step 5: Solve for x
    x = 137,330,954,563,534,192/615,166,813.38
  6. Step 6: Final answer
    x = 223,241,812.75

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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.