Home / 684,359,495.64-1,026,129,295.84-217,819,398.96

Finding the Fourth Proportional to 684,359,495.64, 1,026,129,295.84 and 217,819,398.96

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Solution

The fourth proportional to 684,359,495.64, 1,026,129,295.84 and 217,819,398.96 is: 326,598,619.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,359,495.64 : 1,026,129,295.84 = 217,819,398.96 : x
  2. Step 2: Convert to fraction form
    684,359,495.64/1,026,129,295.84 = 217,819,398.96/x
  3. Step 3: Cross multiply
    684,359,495.64x = 1,026,129,295.84 × 217,819,398.96
  4. Step 4: Simplify right side
    684,359,495.64x = 223,510,866,475,116,832
  5. Step 5: Solve for x
    x = 223,510,866,475,116,832/684,359,495.64
  6. Step 6: Final answer
    x = 326,598,619.44

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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.