Home / 824,885,531.28-1,138,347,954.95-448,539,422.22

Finding the Fourth Proportional to 824,885,531.28, 1,138,347,954.95 and 448,539,422.22

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Solution

The fourth proportional to 824,885,531.28, 1,138,347,954.95 and 448,539,422.22 is: 618,987,622.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,885,531.28 : 1,138,347,954.95 = 448,539,422.22 : x
  2. Step 2: Convert to fraction form
    824,885,531.28/1,138,347,954.95 = 448,539,422.22/x
  3. Step 3: Cross multiply
    824,885,531.28x = 1,138,347,954.95 × 448,539,422.22
  4. Step 4: Simplify right side
    824,885,531.28x = 510,593,933,996,348,864
  5. Step 5: Solve for x
    x = 510,593,933,996,348,864/824,885,531.28
  6. Step 6: Final answer
    x = 618,987,622.69

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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.