Home / 577,761,161.24-797,311,947.90-313,443,154.28

Finding the Fourth Proportional to 577,761,161.24, 797,311,947.90 and 313,443,154.28

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Solution

The fourth proportional to 577,761,161.24, 797,311,947.90 and 313,443,154.28 is: 432,552,391.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,761,161.24 : 797,311,947.90 = 313,443,154.28 : x
  2. Step 2: Convert to fraction form
    577,761,161.24/797,311,947.90 = 313,443,154.28/x
  3. Step 3: Cross multiply
    577,761,161.24x = 797,311,947.90 × 313,443,154.28
  4. Step 4: Simplify right side
    577,761,161.24x = 249,911,971,894,906,976
  5. Step 5: Solve for x
    x = 249,911,971,894,906,976/577,761,161.24
  6. Step 6: Final answer
    x = 432,552,391.30

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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.