Home / 979,897,694.40-1,468,145,930.40-826,842,686.40

Finding the Fourth Proportional to 979,897,694.40, 1,468,145,930.40 and 826,842,686.40

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Solution

The fourth proportional to 979,897,694.40, 1,468,145,930.40 and 826,842,686.40 is: 1,238,829,045.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,897,694.40 : 1,468,145,930.40 = 826,842,686.40 : x
  2. Step 2: Convert to fraction form
    979,897,694.40/1,468,145,930.40 = 826,842,686.40/x
  3. Step 3: Cross multiply
    979,897,694.40x = 1,468,145,930.40 × 826,842,686.40
  4. Step 4: Simplify right side
    979,897,694.40x = 1,213,925,725,119,163,392
  5. Step 5: Solve for x
    x = 1,213,925,725,119,163,392/979,897,694.40
  6. Step 6: Final answer
    x = 1,238,829,045.17

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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.