Home / 784,948,307.68-1,083,179,849.16-432,504,575.20

Finding the Fourth Proportional to 784,948,307.68, 1,083,179,849.16 and 432,504,575.20

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Solution

The fourth proportional to 784,948,307.68, 1,083,179,849.16 and 432,504,575.20 is: 596,829,416.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,948,307.68 : 1,083,179,849.16 = 432,504,575.20 : x
  2. Step 2: Convert to fraction form
    784,948,307.68/1,083,179,849.16 = 432,504,575.20/x
  3. Step 3: Cross multiply
    784,948,307.68x = 1,083,179,849.16 × 432,504,575.20
  4. Step 4: Simplify right side
    784,948,307.68x = 468,480,240,526,145,920
  5. Step 5: Solve for x
    x = 468,480,240,526,145,920/784,948,307.68
  6. Step 6: Final answer
    x = 596,829,416.59

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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.