Home / 527,473,669.20-791,210,503.80-449,539,486.80

Finding the Fourth Proportional to 527,473,669.20, 791,210,503.80 and 449,539,486.80

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Solution

The fourth proportional to 527,473,669.20, 791,210,503.80 and 449,539,486.80 is: 674,309,230.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,473,669.20 : 791,210,503.80 = 449,539,486.80 : x
  2. Step 2: Convert to fraction form
    527,473,669.20/791,210,503.80 = 449,539,486.80/x
  3. Step 3: Cross multiply
    527,473,669.20x = 791,210,503.80 × 449,539,486.80
  4. Step 4: Simplify right side
    527,473,669.20x = 355,680,363,829,021,440
  5. Step 5: Solve for x
    x = 355,680,363,829,021,440/527,473,669.20
  6. Step 6: Final answer
    x = 674,309,230.20

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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.