Home / 1,291,633,863.29-1,935,876,787.83-669,506,110.34

Finding the Fourth Proportional to 1,291,633,863.29, 1,935,876,787.83 and 669,506,110.34

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Solution

The fourth proportional to 1,291,633,863.29, 1,935,876,787.83 and 669,506,110.34 is: 1,003,443,293.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,633,863.29 : 1,935,876,787.83 = 669,506,110.34 : x
  2. Step 2: Convert to fraction form
    1,291,633,863.29/1,935,876,787.83 = 669,506,110.34/x
  3. Step 3: Cross multiply
    1,291,633,863.29x = 1,935,876,787.83 × 669,506,110.34
  4. Step 4: Simplify right side
    1,291,633,863.29x = 1,296,081,338,314,209,280
  5. Step 5: Solve for x
    x = 1,296,081,338,314,209,280/1,291,633,863.29
  6. Step 6: Final answer
    x = 1,003,443,293.92

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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.