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Finding the Fourth Proportional to 1,169,830,225.30, 1,614,538,978.05 and 740,707,400.12

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Solution

The fourth proportional to 1,169,830,225.30, 1,614,538,978.05 and 740,707,400.12 is: 1,022,285,920.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169,830,225.30 : 1,614,538,978.05 = 740,707,400.12 : x
  2. Step 2: Convert to fraction form
    1,169,830,225.30/1,614,538,978.05 = 740,707,400.12/x
  3. Step 3: Cross multiply
    1,169,830,225.30x = 1,614,538,978.05 × 740,707,400.12
  4. Step 4: Simplify right side
    1,169,830,225.30x = 1,195,900,968,815,744,512
  5. Step 5: Solve for x
    x = 1,195,900,968,815,744,512/1,169,830,225.30
  6. Step 6: Final answer
    x = 1,022,285,920.60

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1.5x scale

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.