Home / 479,916,478.80-662,281,443.56-259,894,869.84

Finding the Fourth Proportional to 479,916,478.80, 662,281,443.56 and 259,894,869.84

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Solution

The fourth proportional to 479,916,478.80, 662,281,443.56 and 259,894,869.84 is: 358,653,134.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,916,478.80 : 662,281,443.56 = 259,894,869.84 : x
  2. Step 2: Convert to fraction form
    479,916,478.80/662,281,443.56 = 259,894,869.84/x
  3. Step 3: Cross multiply
    479,916,478.80x = 662,281,443.56 × 259,894,869.84
  4. Step 4: Simplify right side
    479,916,478.80x = 172,123,549,571,473,504
  5. Step 5: Solve for x
    x = 172,123,549,571,473,504/479,916,478.80
  6. Step 6: Final answer
    x = 358,653,134.82

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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.