Home / 411,653,707.20-617,480,560.80-169,236,043.20

Finding the Fourth Proportional to 411,653,707.20, 617,480,560.80 and 169,236,043.20

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Solution

The fourth proportional to 411,653,707.20, 617,480,560.80 and 169,236,043.20 is: 253,854,064.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,653,707.20 : 617,480,560.80 = 169,236,043.20 : x
  2. Step 2: Convert to fraction form
    411,653,707.20/617,480,560.80 = 169,236,043.20/x
  3. Step 3: Cross multiply
    411,653,707.20x = 617,480,560.80 × 169,236,043.20
  4. Step 4: Simplify right side
    411,653,707.20x = 104,499,966,862,709,008
  5. Step 5: Solve for x
    x = 104,499,966,862,709,008/411,653,707.20
  6. Step 6: Final answer
    x = 253,854,064.80

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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.