Home / 1,198,732,074.88-1,798,078,330.22-358,376,785.76

Finding the Fourth Proportional to 1,198,732,074.88, 1,798,078,330.22 and 358,376,785.76

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Solution

The fourth proportional to 1,198,732,074.88, 1,798,078,330.22 and 358,376,785.76 is: 537,559,264.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,732,074.88 : 1,798,078,330.22 = 358,376,785.76 : x
  2. Step 2: Convert to fraction form
    1,198,732,074.88/1,798,078,330.22 = 358,376,785.76/x
  3. Step 3: Cross multiply
    1,198,732,074.88x = 1,798,078,330.22 × 358,376,785.76
  4. Step 4: Simplify right side
    1,198,732,074.88x = 644,389,532,521,025,408
  5. Step 5: Solve for x
    x = 644,389,532,521,025,408/1,198,732,074.88
  6. Step 6: Final answer
    x = 537,559,264.51

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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.