Home / 447,865,390.60-671,750,328.30-156,738,074.20

Finding the Fourth Proportional to 447,865,390.60, 671,750,328.30 and 156,738,074.20

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Solution

The fourth proportional to 447,865,390.60, 671,750,328.30 and 156,738,074.20 is: 235,090,397.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,865,390.60 : 671,750,328.30 = 156,738,074.20 : x
  2. Step 2: Convert to fraction form
    447,865,390.60/671,750,328.30 = 156,738,074.20/x
  3. Step 3: Cross multiply
    447,865,390.60x = 671,750,328.30 × 156,738,074.20
  4. Step 4: Simplify right side
    447,865,390.60x = 105,288,852,800,959,744
  5. Step 5: Solve for x
    x = 105,288,852,800,959,744/447,865,390.60
  6. Step 6: Final answer
    x = 235,090,397.72

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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.