Home / 1,298,069,262.40-1,791,341,819.76-703,353,589.60

Finding the Fourth Proportional to 1,298,069,262.40, 1,791,341,819.76 and 703,353,589.60

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Solution

The fourth proportional to 1,298,069,262.40, 1,791,341,819.76 and 703,353,589.60 is: 970,631,333.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,069,262.40 : 1,791,341,819.76 = 703,353,589.60 : x
  2. Step 2: Convert to fraction form
    1,298,069,262.40/1,791,341,819.76 = 703,353,589.60/x
  3. Step 3: Cross multiply
    1,298,069,262.40x = 1,791,341,819.76 × 703,353,589.60
  4. Step 4: Simplify right side
    1,298,069,262.40x = 1,259,946,699,128,792,320
  5. Step 5: Solve for x
    x = 1,259,946,699,128,792,320/1,298,069,262.40
  6. Step 6: Final answer
    x = 970,631,333.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.