Home / 457,544,915.40-686,317,373.10-146,651,930.40

Finding the Fourth Proportional to 457,544,915.40, 686,317,373.10 and 146,651,930.40

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Solution

The fourth proportional to 457,544,915.40, 686,317,373.10 and 146,651,930.40 is: 219,977,895.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,544,915.40 : 686,317,373.10 = 146,651,930.40 : x
  2. Step 2: Convert to fraction form
    457,544,915.40/686,317,373.10 = 146,651,930.40/x
  3. Step 3: Cross multiply
    457,544,915.40x = 686,317,373.10 × 146,651,930.40
  4. Step 4: Simplify right side
    457,544,915.40x = 100,649,767,632,172,032
  5. Step 5: Solve for x
    x = 100,649,767,632,172,032/457,544,915.40
  6. Step 6: Final answer
    x = 219,977,895.60

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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.