Home / 513,276,405.12-769,607,144.64-163,371,335.04

Finding the Fourth Proportional to 513,276,405.12, 769,607,144.64 and 163,371,335.04

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Solution

The fourth proportional to 513,276,405.12, 769,607,144.64 and 163,371,335.04 is: 244,959,139.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,276,405.12 : 769,607,144.64 = 163,371,335.04 : x
  2. Step 2: Convert to fraction form
    513,276,405.12/769,607,144.64 = 163,371,335.04/x
  3. Step 3: Cross multiply
    513,276,405.12x = 769,607,144.64 × 163,371,335.04
  4. Step 4: Simplify right side
    513,276,405.12x = 125,731,746,676,159,168
  5. Step 5: Solve for x
    x = 125,731,746,676,159,168/513,276,405.12
  6. Step 6: Final answer
    x = 244,959,139.80

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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.