Home / 691,258,103.92-1,036,888,207.40-282,314,254.40

Finding the Fourth Proportional to 691,258,103.92, 1,036,888,207.40 and 282,314,254.40

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Solution

The fourth proportional to 691,258,103.92, 1,036,888,207.40 and 282,314,254.40 is: 423,471,811.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,258,103.92 : 1,036,888,207.40 = 282,314,254.40 : x
  2. Step 2: Convert to fraction form
    691,258,103.92/1,036,888,207.40 = 282,314,254.40/x
  3. Step 3: Cross multiply
    691,258,103.92x = 1,036,888,207.40 × 282,314,254.40
  4. Step 4: Simplify right side
    691,258,103.92x = 292,728,321,168,283,520
  5. Step 5: Solve for x
    x = 292,728,321,168,283,520/691,258,103.92
  6. Step 6: Final answer
    x = 423,471,811.05

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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.