Home / 684,288,004.20-1,026,432,006.30-539,169,181.80

Finding the Fourth Proportional to 684,288,004.20, 1,026,432,006.30 and 539,169,181.80

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Solution

The fourth proportional to 684,288,004.20, 1,026,432,006.30 and 539,169,181.80 is: 808,753,772.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,288,004.20 : 1,026,432,006.30 = 539,169,181.80 : x
  2. Step 2: Convert to fraction form
    684,288,004.20/1,026,432,006.30 = 539,169,181.80/x
  3. Step 3: Cross multiply
    684,288,004.20x = 1,026,432,006.30 × 539,169,181.80
  4. Step 4: Simplify right side
    684,288,004.20x = 553,420,505,010,103,360
  5. Step 5: Solve for x
    x = 553,420,505,010,103,360/684,288,004.20
  6. Step 6: Final answer
    x = 808,753,772.70

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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.