Home / 447,862,901.60-671,746,594.80-156,735,585.20

Finding the Fourth Proportional to 447,862,901.60, 671,746,594.80 and 156,735,585.20

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Solution

The fourth proportional to 447,862,901.60, 671,746,594.80 and 156,735,585.20 is: 235,086,664.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,862,901.60 : 671,746,594.80 = 156,735,585.20 : x
  2. Step 2: Convert to fraction form
    447,862,901.60/671,746,594.80 = 156,735,585.20/x
  3. Step 3: Cross multiply
    447,862,901.60x = 671,746,594.80 × 156,735,585.20
  4. Step 4: Simplify right side
    447,862,901.60x = 105,286,595,642,085,264
  5. Step 5: Solve for x
    x = 105,286,595,642,085,264/447,862,901.60
  6. Step 6: Final answer
    x = 235,086,664.39

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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.