Home / 402,103,977.04-554,870,788.68-225,882,398.80

Finding the Fourth Proportional to 402,103,977.04, 554,870,788.68 and 225,882,398.80

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Solution

The fourth proportional to 402,103,977.04, 554,870,788.68 and 225,882,398.80 is: 311,699,341.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,103,977.04 : 554,870,788.68 = 225,882,398.80 : x
  2. Step 2: Convert to fraction form
    402,103,977.04/554,870,788.68 = 225,882,398.80/x
  3. Step 3: Cross multiply
    402,103,977.04x = 554,870,788.68 × 225,882,398.80
  4. Step 4: Simplify right side
    402,103,977.04x = 125,335,544,771,086,288
  5. Step 5: Solve for x
    x = 125,335,544,771,086,288/402,103,977.04
  6. Step 6: Final answer
    x = 311,699,341.28

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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.