Home / 656,324,279.40-983,870,559.90-247,655,044.20

Finding the Fourth Proportional to 656,324,279.40, 983,870,559.90 and 247,655,044.20

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Solution

The fourth proportional to 656,324,279.40, 983,870,559.90 and 247,655,044.20 is: 371,250,180.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,324,279.40 : 983,870,559.90 = 247,655,044.20 : x
  2. Step 2: Convert to fraction form
    656,324,279.40/983,870,559.90 = 247,655,044.20/x
  3. Step 3: Cross multiply
    656,324,279.40x = 983,870,559.90 × 247,655,044.20
  4. Step 4: Simplify right side
    656,324,279.40x = 243,660,506,999,113,216
  5. Step 5: Solve for x
    x = 243,660,506,999,113,216/656,324,279.40
  6. Step 6: Final answer
    x = 371,250,180.20

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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.