Home / 1,105,764,763.48-1,658,653,345.80-368,832,644.92

Finding the Fourth Proportional to 1,105,764,763.48, 1,658,653,345.80 and 368,832,644.92

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Solution

The fourth proportional to 1,105,764,763.48, 1,658,653,345.80 and 368,832,644.92 is: 553,251,035.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,764,763.48 : 1,658,653,345.80 = 368,832,644.92 : x
  2. Step 2: Convert to fraction form
    1,105,764,763.48/1,658,653,345.80 = 368,832,644.92/x
  3. Step 3: Cross multiply
    1,105,764,763.48x = 1,658,653,345.80 × 368,832,644.92
  4. Step 4: Simplify right side
    1,105,764,763.48x = 611,765,500,538,894,592
  5. Step 5: Solve for x
    x = 611,765,500,538,894,592/1,105,764,763.48
  6. Step 6: Final answer
    x = 553,251,035.61

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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.