Home / 486,436,423.29-671,282,627.88-263,418,349.41

Finding the Fourth Proportional to 486,436,423.29, 671,282,627.88 and 263,418,349.41

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Solution

The fourth proportional to 486,436,423.29, 671,282,627.88 and 263,418,349.41 is: 363,517,519.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,436,423.29 : 671,282,627.88 = 263,418,349.41 : x
  2. Step 2: Convert to fraction form
    486,436,423.29/671,282,627.88 = 263,418,349.41/x
  3. Step 3: Cross multiply
    486,436,423.29x = 671,282,627.88 × 263,418,349.41
  4. Step 4: Simplify right side
    486,436,423.29x = 176,828,161,823,120,064
  5. Step 5: Solve for x
    x = 176,828,161,823,120,064/486,436,423.29
  6. Step 6: Final answer
    x = 363,517,519.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.