Home / 299,258,598.12-448,491,061.98-153,686,279.40

Finding the Fourth Proportional to 299,258,598.12, 448,491,061.98 and 153,686,279.40

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Solution

The fourth proportional to 299,258,598.12, 448,491,061.98 and 153,686,279.40 is: 230,325,621.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,258,598.12 : 448,491,061.98 = 153,686,279.40 : x
  2. Step 2: Convert to fraction form
    299,258,598.12/448,491,061.98 = 153,686,279.40/x
  3. Step 3: Cross multiply
    299,258,598.12x = 448,491,061.98 × 153,686,279.40
  4. Step 4: Simplify right side
    299,258,598.12x = 68,926,922,659,861,000
  5. Step 5: Solve for x
    x = 68,926,922,659,861,000/299,258,598.12
  6. Step 6: Final answer
    x = 230,325,621.70

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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.