Home / 386,331,101.50-533,275,595.82-229,697,834.81

Finding the Fourth Proportional to 386,331,101.50, 533,275,595.82 and 229,697,834.81

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Solution

The fourth proportional to 386,331,101.50, 533,275,595.82 and 229,697,834.81 is: 317,065,463.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,331,101.50 : 533,275,595.82 = 229,697,834.81 : x
  2. Step 2: Convert to fraction form
    386,331,101.50/533,275,595.82 = 229,697,834.81/x
  3. Step 3: Cross multiply
    386,331,101.50x = 533,275,595.82 × 229,697,834.81
  4. Step 4: Simplify right side
    386,331,101.50x = 122,492,249,715,718,192
  5. Step 5: Solve for x
    x = 122,492,249,715,718,192/386,331,101.50
  6. Step 6: Final answer
    x = 317,065,463.39

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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.