Home / 539,136,634.60-808,704,951.90-431,641,210.60

Finding the Fourth Proportional to 539,136,634.60, 808,704,951.90 and 431,641,210.60

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Solution

The fourth proportional to 539,136,634.60, 808,704,951.90 and 431,641,210.60 is: 647,461,815.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,136,634.60 : 808,704,951.90 = 431,641,210.60 : x
  2. Step 2: Convert to fraction form
    539,136,634.60/808,704,951.90 = 431,641,210.60/x
  3. Step 3: Cross multiply
    539,136,634.60x = 808,704,951.90 × 431,641,210.60
  4. Step 4: Simplify right side
    539,136,634.60x = 349,070,384,456,330,752
  5. Step 5: Solve for x
    x = 349,070,384,456,330,752/539,136,634.60
  6. Step 6: Final answer
    x = 647,461,815.90

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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.