Home / 484,920,689.40-727,381,034.10-291,051,012.60

Finding the Fourth Proportional to 484,920,689.40, 727,381,034.10 and 291,051,012.60

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Solution

The fourth proportional to 484,920,689.40, 727,381,034.10 and 291,051,012.60 is: 436,576,518.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,920,689.40 : 727,381,034.10 = 291,051,012.60 : x
  2. Step 2: Convert to fraction form
    484,920,689.40/727,381,034.10 = 291,051,012.60/x
  3. Step 3: Cross multiply
    484,920,689.40x = 727,381,034.10 × 291,051,012.60
  4. Step 4: Simplify right side
    484,920,689.40x = 211,704,986,520,840,160
  5. Step 5: Solve for x
    x = 211,704,986,520,840,160/484,920,689.40
  6. Step 6: Final answer
    x = 436,576,518.90

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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.