Home / 375,017,713.58-517,475,366.78-216,253,700.48

Finding the Fourth Proportional to 375,017,713.58, 517,475,366.78 and 216,253,700.48

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Solution

The fourth proportional to 375,017,713.58, 517,475,366.78 and 216,253,700.48 is: 298,401,805.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,017,713.58 : 517,475,366.78 = 216,253,700.48 : x
  2. Step 2: Convert to fraction form
    375,017,713.58/517,475,366.78 = 216,253,700.48/x
  3. Step 3: Cross multiply
    375,017,713.58x = 517,475,366.78 × 216,253,700.48
  4. Step 4: Simplify right side
    375,017,713.58x = 111,905,962,973,420,256
  5. Step 5: Solve for x
    x = 111,905,962,973,420,256/375,017,713.58
  6. Step 6: Final answer
    x = 298,401,805.89

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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.