Home / 834,919,434.89-1,152,211,320.42-491,225,586.02

Finding the Fourth Proportional to 834,919,434.89, 1,152,211,320.42 and 491,225,586.02

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Solution

The fourth proportional to 834,919,434.89, 1,152,211,320.42 and 491,225,586.02 is: 677,904,546.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,919,434.89 : 1,152,211,320.42 = 491,225,586.02 : x
  2. Step 2: Convert to fraction form
    834,919,434.89/1,152,211,320.42 = 491,225,586.02/x
  3. Step 3: Cross multiply
    834,919,434.89x = 1,152,211,320.42 × 491,225,586.02
  4. Step 4: Simplify right side
    834,919,434.89x = 565,995,681,093,854,080
  5. Step 5: Solve for x
    x = 565,995,681,093,854,080/834,919,434.89
  6. Step 6: Final answer
    x = 677,904,546.76

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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.