Home / 944,486,309.44-1,303,395,634.02-521,099,949.34

Finding the Fourth Proportional to 944,486,309.44, 1,303,395,634.02 and 521,099,949.34

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Solution

The fourth proportional to 944,486,309.44, 1,303,395,634.02 and 521,099,949.34 is: 719,120,427.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    944,486,309.44 : 1,303,395,634.02 = 521,099,949.34 : x
  2. Step 2: Convert to fraction form
    944,486,309.44/1,303,395,634.02 = 521,099,949.34/x
  3. Step 3: Cross multiply
    944,486,309.44x = 1,303,395,634.02 × 521,099,949.34
  4. Step 4: Simplify right side
    944,486,309.44x = 679,199,398,857,799,168
  5. Step 5: Solve for x
    x = 679,199,398,857,799,168/944,486,309.44
  6. Step 6: Final answer
    x = 719,120,427.76

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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.