Home / 992,704,011.60-1,489,056,017.40-906,707,672.40

Finding the Fourth Proportional to 992,704,011.60, 1,489,056,017.40 and 906,707,672.40

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Solution

The fourth proportional to 992,704,011.60, 1,489,056,017.40 and 906,707,672.40 is: 1,360,061,508.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,704,011.60 : 1,489,056,017.40 = 906,707,672.40 : x
  2. Step 2: Convert to fraction form
    992,704,011.60/1,489,056,017.40 = 906,707,672.40/x
  3. Step 3: Cross multiply
    992,704,011.60x = 1,489,056,017.40 × 906,707,672.40
  4. Step 4: Simplify right side
    992,704,011.60x = 1,350,138,515,609,967,872
  5. Step 5: Solve for x
    x = 1,350,138,515,609,967,872/992,704,011.60
  6. Step 6: Final answer
    x = 1,360,061,508.60

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1.5x scale

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.