Home / 943,037,512.18-1,291,966,000.92-907,692,679.12

Finding the Fourth Proportional to 943,037,512.18, 1,291,966,000.92 and 907,692,679.12

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Solution

The fourth proportional to 943,037,512.18, 1,291,966,000.92 and 907,692,679.12 is: 1,243,543,406.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,037,512.18 : 1,291,966,000.92 = 907,692,679.12 : x
  2. Step 2: Convert to fraction form
    943,037,512.18/1,291,966,000.92 = 907,692,679.12/x
  3. Step 3: Cross multiply
    943,037,512.18x = 1,291,966,000.92 × 907,692,679.12
  4. Step 4: Simplify right side
    943,037,512.18x = 1,172,708,080,707,027,200
  5. Step 5: Solve for x
    x = 1,172,708,080,707,027,200/943,037,512.18
  6. Step 6: Final answer
    x = 1,243,543,406.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.