Home / 693,281,165.93-1,039,911,251.29-168,655,207.85

Finding the Fourth Proportional to 693,281,165.93, 1,039,911,251.29 and 168,655,207.85

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Solution

The fourth proportional to 693,281,165.93, 1,039,911,251.29 and 168,655,207.85 is: 252,980,258.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,281,165.93 : 1,039,911,251.29 = 168,655,207.85 : x
  2. Step 2: Convert to fraction form
    693,281,165.93/1,039,911,251.29 = 168,655,207.85/x
  3. Step 3: Cross multiply
    693,281,165.93x = 1,039,911,251.29 × 168,655,207.85
  4. Step 4: Simplify right side
    693,281,165.93x = 175,386,448,231,868,512
  5. Step 5: Solve for x
    x = 175,386,448,231,868,512/693,281,165.93
  6. Step 6: Final answer
    x = 252,980,258.01

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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.