Home / 1,521,976,921.11-2,282,134,562.24-458,244,615.51

Finding the Fourth Proportional to 1,521,976,921.11, 2,282,134,562.24 and 458,244,615.51

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Solution

The fourth proportional to 1,521,976,921.11, 2,282,134,562.24 and 458,244,615.51 is: 687,116,775.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,976,921.11 : 2,282,134,562.24 = 458,244,615.51 : x
  2. Step 2: Convert to fraction form
    1,521,976,921.11/2,282,134,562.24 = 458,244,615.51/x
  3. Step 3: Cross multiply
    1,521,976,921.11x = 2,282,134,562.24 × 458,244,615.51
  4. Step 4: Simplify right side
    1,521,976,921.11x = 1,045,775,875,013,459,840
  5. Step 5: Solve for x
    x = 1,045,775,875,013,459,840/1,521,976,921.11
  6. Step 6: Final answer
    x = 687,116,775.89

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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.