Home / 1,299,216,956.61-1,948,047,162.27-413,519,737.95

Finding the Fourth Proportional to 1,299,216,956.61, 1,948,047,162.27 and 413,519,737.95

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Solution

The fourth proportional to 1,299,216,956.61, 1,948,047,162.27 and 413,519,737.95 is: 620,031,895.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,216,956.61 : 1,948,047,162.27 = 413,519,737.95 : x
  2. Step 2: Convert to fraction form
    1,299,216,956.61/1,948,047,162.27 = 413,519,737.95/x
  3. Step 3: Cross multiply
    1,299,216,956.61x = 1,948,047,162.27 × 413,519,737.95
  4. Step 4: Simplify right side
    1,299,216,956.61x = 805,555,952,054,601,472
  5. Step 5: Solve for x
    x = 805,555,952,054,601,472/1,299,216,956.61
  6. Step 6: Final answer
    x = 620,031,895.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.