Home / 497,957,643.20-746,936,464.80-317,007,012.80

Finding the Fourth Proportional to 497,957,643.20, 746,936,464.80 and 317,007,012.80

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Solution

The fourth proportional to 497,957,643.20, 746,936,464.80 and 317,007,012.80 is: 475,510,519.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,957,643.20 : 746,936,464.80 = 317,007,012.80 : x
  2. Step 2: Convert to fraction form
    497,957,643.20/746,936,464.80 = 317,007,012.80/x
  3. Step 3: Cross multiply
    497,957,643.20x = 746,936,464.80 × 317,007,012.80
  4. Step 4: Simplify right side
    497,957,643.20x = 236,784,097,457,640,352
  5. Step 5: Solve for x
    x = 236,784,097,457,640,352/497,957,643.20
  6. Step 6: Final answer
    x = 475,510,519.20

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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.