Home / 970,845,353.60-1,456,310,539.20-280,822,359.20

Finding the Fourth Proportional to 970,845,353.60, 1,456,310,539.20 and 280,822,359.20

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Solution

The fourth proportional to 970,845,353.60, 1,456,310,539.20 and 280,822,359.20 is: 421,245,834.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,845,353.60 : 1,456,310,539.20 = 280,822,359.20 : x
  2. Step 2: Convert to fraction form
    970,845,353.60/1,456,310,539.20 = 280,822,359.20/x
  3. Step 3: Cross multiply
    970,845,353.60x = 1,456,310,539.20 × 280,822,359.20
  4. Step 4: Simplify right side
    970,845,353.60x = 408,964,561,345,968,064
  5. Step 5: Solve for x
    x = 408,964,561,345,968,064/970,845,353.60
  6. Step 6: Final answer
    x = 421,245,834.70

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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.