Home / 495,547,306.42-743,161,837.15-163,479,678.07

Finding the Fourth Proportional to 495,547,306.42, 743,161,837.15 and 163,479,678.07

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Solution

The fourth proportional to 495,547,306.42, 743,161,837.15 and 163,479,678.07 is: 245,167,023.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,547,306.42 : 743,161,837.15 = 163,479,678.07 : x
  2. Step 2: Convert to fraction form
    495,547,306.42/743,161,837.15 = 163,479,678.07/x
  3. Step 3: Cross multiply
    495,547,306.42x = 743,161,837.15 × 163,479,678.07
  4. Step 4: Simplify right side
    495,547,306.42x = 121,491,857,891,191,760
  5. Step 5: Solve for x
    x = 121,491,857,891,191,760/495,547,306.42
  6. Step 6: Final answer
    x = 245,167,023.04

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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.