Home / 497,774,385.20-746,661,577.80-448,456,660.40

Finding the Fourth Proportional to 497,774,385.20, 746,661,577.80 and 448,456,660.40

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Solution

The fourth proportional to 497,774,385.20, 746,661,577.80 and 448,456,660.40 is: 672,684,990.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,774,385.20 : 746,661,577.80 = 448,456,660.40 : x
  2. Step 2: Convert to fraction form
    497,774,385.20/746,661,577.80 = 448,456,660.40/x
  3. Step 3: Cross multiply
    497,774,385.20x = 746,661,577.80 × 448,456,660.40
  4. Step 4: Simplify right side
    497,774,385.20x = 334,845,357,629,182,720
  5. Step 5: Solve for x
    x = 334,845,357,629,182,720/497,774,385.20
  6. Step 6: Final answer
    x = 672,684,990.60

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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.