Home / 983,345,400.20-1,475,018,100.30-493,569,374.60

Finding the Fourth Proportional to 983,345,400.20, 1,475,018,100.30 and 493,569,374.60

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Solution

The fourth proportional to 983,345,400.20, 1,475,018,100.30 and 493,569,374.60 is: 740,354,061.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,345,400.20 : 1,475,018,100.30 = 493,569,374.60 : x
  2. Step 2: Convert to fraction form
    983,345,400.20/1,475,018,100.30 = 493,569,374.60/x
  3. Step 3: Cross multiply
    983,345,400.20x = 1,475,018,100.30 × 493,569,374.60
  4. Step 4: Simplify right side
    983,345,400.20x = 728,023,761,288,751,104
  5. Step 5: Solve for x
    x = 728,023,761,288,751,104/983,345,400.20
  6. Step 6: Final answer
    x = 740,354,061.90

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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.