Home / 476,929,607.20-715,394,410.80-322,740,858.40

Finding the Fourth Proportional to 476,929,607.20, 715,394,410.80 and 322,740,858.40

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Solution

The fourth proportional to 476,929,607.20, 715,394,410.80 and 322,740,858.40 is: 484,111,287.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,929,607.20 : 715,394,410.80 = 322,740,858.40 : x
  2. Step 2: Convert to fraction form
    476,929,607.20/715,394,410.80 = 322,740,858.40/x
  3. Step 3: Cross multiply
    476,929,607.20x = 715,394,410.80 × 322,740,858.40
  4. Step 4: Simplify right side
    476,929,607.20x = 230,887,006,236,154,208
  5. Step 5: Solve for x
    x = 230,887,006,236,154,208/476,929,607.20
  6. Step 6: Final answer
    x = 484,111,287.60

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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.