Home / 472,393,618.80-708,590,428.20-165,716,732.40

Finding the Fourth Proportional to 472,393,618.80, 708,590,428.20 and 165,716,732.40

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Solution

The fourth proportional to 472,393,618.80, 708,590,428.20 and 165,716,732.40 is: 248,575,098.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,618.80 : 708,590,428.20 = 165,716,732.40 : x
  2. Step 2: Convert to fraction form
    472,393,618.80/708,590,428.20 = 165,716,732.40/x
  3. Step 3: Cross multiply
    472,393,618.80x = 708,590,428.20 × 165,716,732.40
  4. Step 4: Simplify right side
    472,393,618.80x = 117,425,290,371,220,832
  5. Step 5: Solve for x
    x = 117,425,290,371,220,832/472,393,618.80
  6. Step 6: Final answer
    x = 248,575,098.60

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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.