Home / 365,366,909.90-548,050,364.85-287,882,812.10

Finding the Fourth Proportional to 365,366,909.90, 548,050,364.85 and 287,882,812.10

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Solution

The fourth proportional to 365,366,909.90, 548,050,364.85 and 287,882,812.10 is: 431,824,218.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,366,909.90 : 548,050,364.85 = 287,882,812.10 : x
  2. Step 2: Convert to fraction form
    365,366,909.90/548,050,364.85 = 287,882,812.10/x
  3. Step 3: Cross multiply
    365,366,909.90x = 548,050,364.85 × 287,882,812.10
  4. Step 4: Simplify right side
    365,366,909.90x = 157,774,280,205,449,024
  5. Step 5: Solve for x
    x = 157,774,280,205,449,024/365,366,909.90
  6. Step 6: Final answer
    x = 431,824,218.15

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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.