Home / 684,288,003.40-1,026,432,005.10-199,613,811.40

Finding the Fourth Proportional to 684,288,003.40, 1,026,432,005.10 and 199,613,811.40

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Solution

The fourth proportional to 684,288,003.40, 1,026,432,005.10 and 199,613,811.40 is: 299,420,717.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,288,003.40 : 1,026,432,005.10 = 199,613,811.40 : x
  2. Step 2: Convert to fraction form
    684,288,003.40/1,026,432,005.10 = 199,613,811.40/x
  3. Step 3: Cross multiply
    684,288,003.40x = 1,026,432,005.10 × 199,613,811.40
  4. Step 4: Simplify right side
    684,288,003.40x = 204,890,004,680,955,264
  5. Step 5: Solve for x
    x = 204,890,004,680,955,264/684,288,003.40
  6. Step 6: Final answer
    x = 299,420,717.10

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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.