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Finding the Fourth Proportional to 744,610,337.36, 1,027,673,978.15 and 565,699,815.74

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Solution

The fourth proportional to 744,610,337.36, 1,027,673,978.15 and 565,699,815.74 is: 780,750,616.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,610,337.36 : 1,027,673,978.15 = 565,699,815.74 : x
  2. Step 2: Convert to fraction form
    744,610,337.36/1,027,673,978.15 = 565,699,815.74/x
  3. Step 3: Cross multiply
    744,610,337.36x = 1,027,673,978.15 × 565,699,815.74
  4. Step 4: Simplify right side
    744,610,337.36x = 581,354,980,076,523,648
  5. Step 5: Solve for x
    x = 581,354,980,076,523,648/744,610,337.36
  6. Step 6: Final answer
    x = 780,750,616.68

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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.