Home / 1,218,172,471.92-1,827,042,711.56-554,030,929.42

Finding the Fourth Proportional to 1,218,172,471.92, 1,827,042,711.56 and 554,030,929.42

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Solution

The fourth proportional to 1,218,172,471.92, 1,827,042,711.56 and 554,030,929.42 is: 830,948,157.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,172,471.92 : 1,827,042,711.56 = 554,030,929.42 : x
  2. Step 2: Convert to fraction form
    1,218,172,471.92/1,827,042,711.56 = 554,030,929.42/x
  3. Step 3: Cross multiply
    1,218,172,471.92x = 1,827,042,711.56 × 554,030,929.42
  4. Step 4: Simplify right side
    1,218,172,471.92x = 1,012,238,171,570,336,000
  5. Step 5: Solve for x
    x = 1,012,238,171,570,336,000/1,218,172,471.92
  6. Step 6: Final answer
    x = 830,948,157.92

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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.