Home / 902,055,862.08-1,353,111,786.72-429,251,306.40

Finding the Fourth Proportional to 902,055,862.08, 1,353,111,786.72 and 429,251,306.40

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Solution

The fourth proportional to 902,055,862.08, 1,353,111,786.72 and 429,251,306.40 is: 643,890,280.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,055,862.08 : 1,353,111,786.72 = 429,251,306.40 : x
  2. Step 2: Convert to fraction form
    902,055,862.08/1,353,111,786.72 = 429,251,306.40/x
  3. Step 3: Cross multiply
    902,055,862.08x = 1,353,111,786.72 × 429,251,306.40
  4. Step 4: Simplify right side
    902,055,862.08x = 580,825,002,154,798,208
  5. Step 5: Solve for x
    x = 580,825,002,154,798,208/902,055,862.08
  6. Step 6: Final answer
    x = 643,890,280.60

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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.