Home / 614,156,974.20-921,235,461.30-199,632,994.20

Finding the Fourth Proportional to 614,156,974.20, 921,235,461.30 and 199,632,994.20

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Solution

The fourth proportional to 614,156,974.20, 921,235,461.30 and 199,632,994.20 is: 299,449,491.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,156,974.20 : 921,235,461.30 = 199,632,994.20 : x
  2. Step 2: Convert to fraction form
    614,156,974.20/921,235,461.30 = 199,632,994.20/x
  3. Step 3: Cross multiply
    614,156,974.20x = 921,235,461.30 × 199,632,994.20
  4. Step 4: Simplify right side
    614,156,974.20x = 183,908,993,502,537,216
  5. Step 5: Solve for x
    x = 183,908,993,502,537,216/614,156,974.20
  6. Step 6: Final answer
    x = 299,449,491.30

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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.