Home / 605,216,110.20-907,824,165.30-398,591,849.40

Finding the Fourth Proportional to 605,216,110.20, 907,824,165.30 and 398,591,849.40

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Solution

The fourth proportional to 605,216,110.20, 907,824,165.30 and 398,591,849.40 is: 597,887,774.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,216,110.20 : 907,824,165.30 = 398,591,849.40 : x
  2. Step 2: Convert to fraction form
    605,216,110.20/907,824,165.30 = 398,591,849.40/x
  3. Step 3: Cross multiply
    605,216,110.20x = 907,824,165.30 × 398,591,849.40
  4. Step 4: Simplify right side
    605,216,110.20x = 361,851,312,976,938,240
  5. Step 5: Solve for x
    x = 361,851,312,976,938,240/605,216,110.20
  6. Step 6: Final answer
    x = 597,887,774.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.