Home / 641,466,591.37-885,223,859.93-348,111,159.37

Finding the Fourth Proportional to 641,466,591.37, 885,223,859.93 and 348,111,159.37

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Solution

The fourth proportional to 641,466,591.37, 885,223,859.93 and 348,111,159.37 is: 480,393,380.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,466,591.37 : 885,223,859.93 = 348,111,159.37 : x
  2. Step 2: Convert to fraction form
    641,466,591.37/885,223,859.93 = 348,111,159.37/x
  3. Step 3: Cross multiply
    641,466,591.37x = 885,223,859.93 × 348,111,159.37
  4. Step 4: Simplify right side
    641,466,591.37x = 308,156,304,179,574,080
  5. Step 5: Solve for x
    x = 308,156,304,179,574,080/641,466,591.37
  6. Step 6: Final answer
    x = 480,393,380.30

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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.