Home / 996,453,985.40-1,375,148,275.86-573,067,977.18

Finding the Fourth Proportional to 996,453,985.40, 1,375,148,275.86 and 573,067,977.18

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Solution

The fourth proportional to 996,453,985.40, 1,375,148,275.86 and 573,067,977.18 is: 790,857,834.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,453,985.40 : 1,375,148,275.86 = 573,067,977.18 : x
  2. Step 2: Convert to fraction form
    996,453,985.40/1,375,148,275.86 = 573,067,977.18/x
  3. Step 3: Cross multiply
    996,453,985.40x = 1,375,148,275.86 × 573,067,977.18
  4. Step 4: Simplify right side
    996,453,985.40x = 788,053,440,766,604,544
  5. Step 5: Solve for x
    x = 788,053,440,766,604,544/996,453,985.40
  6. Step 6: Final answer
    x = 790,857,834.19

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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.