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Finding the Fourth Proportional to 744,309,339.80, 1,116,464,009.70 and 732,830,214.20

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Solution

The fourth proportional to 744,309,339.80, 1,116,464,009.70 and 732,830,214.20 is: 1,099,245,321.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,309,339.80 : 1,116,464,009.70 = 732,830,214.20 : x
  2. Step 2: Convert to fraction form
    744,309,339.80/1,116,464,009.70 = 732,830,214.20/x
  3. Step 3: Cross multiply
    744,309,339.80x = 1,116,464,009.70 × 732,830,214.20
  4. Step 4: Simplify right side
    744,309,339.80x = 818,178,559,375,041,920
  5. Step 5: Solve for x
    x = 818,178,559,375,041,920/744,309,339.80
  6. Step 6: Final answer
    x = 1,099,245,321.30

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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.