Home / 910,359,885.02-1,256,296,626.11-492,672,170.35

Finding the Fourth Proportional to 910,359,885.02, 1,256,296,626.11 and 492,672,170.35

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Solution

The fourth proportional to 910,359,885.02, 1,256,296,626.11 and 492,672,170.35 is: 679,887,586.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,359,885.02 : 1,256,296,626.11 = 492,672,170.35 : x
  2. Step 2: Convert to fraction form
    910,359,885.02/1,256,296,626.11 = 492,672,170.35/x
  3. Step 3: Cross multiply
    910,359,885.02x = 1,256,296,626.11 × 492,672,170.35
  4. Step 4: Simplify right side
    910,359,885.02x = 618,942,385,380,251,392
  5. Step 5: Solve for x
    x = 618,942,385,380,251,392/910,359,885.02
  6. Step 6: Final answer
    x = 679,887,586.84

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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.