Home / 691,258,886.92-1,036,889,380.23-282,315,037.42

Finding the Fourth Proportional to 691,258,886.92, 1,036,889,380.23 and 282,315,037.42

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Solution

The fourth proportional to 691,258,886.92, 1,036,889,380.23 and 282,315,037.42 is: 423,472,984.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,258,886.92 : 1,036,889,380.23 = 282,315,037.42 : x
  2. Step 2: Convert to fraction form
    691,258,886.92/1,036,889,380.23 = 282,315,037.42/x
  3. Step 3: Cross multiply
    691,258,886.92x = 1,036,889,380.23 × 282,315,037.42
  4. Step 4: Simplify right side
    691,258,886.92x = 292,729,464,180,033,088
  5. Step 5: Solve for x
    x = 292,729,464,180,033,088/691,258,886.92
  6. Step 6: Final answer
    x = 423,472,984.90

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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.