Home / 996,453,988.90-1,375,148,280.70-573,067,980.68

Finding the Fourth Proportional to 996,453,988.90, 1,375,148,280.70 and 573,067,980.68

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Solution

The fourth proportional to 996,453,988.90, 1,375,148,280.70 and 573,067,980.68 is: 790,857,839.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,453,988.90 : 1,375,148,280.70 = 573,067,980.68 : x
  2. Step 2: Convert to fraction form
    996,453,988.90/1,375,148,280.70 = 573,067,980.68/x
  3. Step 3: Cross multiply
    996,453,988.90x = 1,375,148,280.70 × 573,067,980.68
  4. Step 4: Simplify right side
    996,453,988.90x = 788,053,448,356,322,816
  5. Step 5: Solve for x
    x = 788,053,448,356,322,816/996,453,988.90
  6. Step 6: Final answer
    x = 790,857,839.03

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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.