Home / 684,359,491.94-1,026,129,290.31-217,819,395.26

Finding the Fourth Proportional to 684,359,491.94, 1,026,129,290.31 and 217,819,395.26

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Solution

The fourth proportional to 684,359,491.94, 1,026,129,290.31 and 217,819,395.26 is: 326,598,613.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,359,491.94 : 1,026,129,290.31 = 217,819,395.26 : x
  2. Step 2: Convert to fraction form
    684,359,491.94/1,026,129,290.31 = 217,819,395.26/x
  3. Step 3: Cross multiply
    684,359,491.94x = 1,026,129,290.31 × 217,819,395.26
  4. Step 4: Simplify right side
    684,359,491.94x = 223,510,861,473,897,152
  5. Step 5: Solve for x
    x = 223,510,861,473,897,152/684,359,491.94
  6. Step 6: Final answer
    x = 326,598,613.90

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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.