Home / 850,957,301.70-1,276,435,952.55-522,367,331.40

Finding the Fourth Proportional to 850,957,301.70, 1,276,435,952.55 and 522,367,331.40

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Solution

The fourth proportional to 850,957,301.70, 1,276,435,952.55 and 522,367,331.40 is: 783,550,997.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,957,301.70 : 1,276,435,952.55 = 522,367,331.40 : x
  2. Step 2: Convert to fraction form
    850,957,301.70/1,276,435,952.55 = 522,367,331.40/x
  3. Step 3: Cross multiply
    850,957,301.70x = 1,276,435,952.55 × 522,367,331.40
  4. Step 4: Simplify right side
    850,957,301.70x = 666,768,442,236,560,512
  5. Step 5: Solve for x
    x = 666,768,442,236,560,512/850,957,301.70
  6. Step 6: Final answer
    x = 783,550,997.10

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1.5x scale

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.