Home / 586,715,950.80-809,620,618.68-339,213,258

Finding the Fourth Proportional to 586,715,950.80, 809,620,618.68 and 339,213,258

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Solution

The fourth proportional to 586,715,950.80, 809,620,618.68 and 339,213,258 is: 468,086,895.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,715,950.80 : 809,620,618.68 = 339,213,258 : x
  2. Step 2: Convert to fraction form
    586,715,950.80/809,620,618.68 = 339,213,258/x
  3. Step 3: Cross multiply
    586,715,950.80x = 809,620,618.68 × 339,213,258
  4. Step 4: Simplify right side
    586,715,950.80x = 274,634,047,806,418,432
  5. Step 5: Solve for x
    x = 274,634,047,806,418,432/586,715,950.80
  6. Step 6: Final answer
    x = 468,086,895.25

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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.