Home / 914,112,353.70-1,371,168,530.55-869,521,659.30

Finding the Fourth Proportional to 914,112,353.70, 1,371,168,530.55 and 869,521,659.30

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Solution

The fourth proportional to 914,112,353.70, 1,371,168,530.55 and 869,521,659.30 is: 1,304,282,488.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,112,353.70 : 1,371,168,530.55 = 869,521,659.30 : x
  2. Step 2: Convert to fraction form
    914,112,353.70/1,371,168,530.55 = 869,521,659.30/x
  3. Step 3: Cross multiply
    914,112,353.70x = 1,371,168,530.55 × 869,521,659.30
  4. Step 4: Simplify right side
    914,112,353.70x = 1,192,260,735,863,778,560
  5. Step 5: Solve for x
    x = 1,192,260,735,863,778,560/914,112,353.70
  6. Step 6: Final answer
    x = 1,304,282,488.95

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1.5x scale

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.