Home / 447,862,905.10-671,746,600.05-156,735,588.70

Finding the Fourth Proportional to 447,862,905.10, 671,746,600.05 and 156,735,588.70

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Solution

The fourth proportional to 447,862,905.10, 671,746,600.05 and 156,735,588.70 is: 235,086,669.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,862,905.10 : 671,746,600.05 = 156,735,588.70 : x
  2. Step 2: Convert to fraction form
    447,862,905.10/671,746,600.05 = 156,735,588.70/x
  3. Step 3: Cross multiply
    447,862,905.10x = 671,746,600.05 × 156,735,588.70
  4. Step 4: Simplify right side
    447,862,905.10x = 105,286,598,816,060,176
  5. Step 5: Solve for x
    x = 105,286,598,816,060,176/447,862,905.10
  6. Step 6: Final answer
    x = 235,086,669.64

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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.