Home / 462,144,493.80-693,048,779.10-155,446,612.20

Finding the Fourth Proportional to 462,144,493.80, 693,048,779.10 and 155,446,612.20

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Solution

The fourth proportional to 462,144,493.80, 693,048,779.10 and 155,446,612.20 is: 233,113,422.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,144,493.80 : 693,048,779.10 = 155,446,612.20 : x
  2. Step 2: Convert to fraction form
    462,144,493.80/693,048,779.10 = 155,446,612.20/x
  3. Step 3: Cross multiply
    462,144,493.80x = 693,048,779.10 × 155,446,612.20
  4. Step 4: Simplify right side
    462,144,493.80x = 107,732,084,800,441,168
  5. Step 5: Solve for x
    x = 107,732,084,800,441,168/462,144,493.80
  6. Step 6: Final answer
    x = 233,113,422.85

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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.