Home / 376,480,751.43-518,995,871.81-263,098,223.66

Finding the Fourth Proportional to 376,480,751.43, 518,995,871.81 and 263,098,223.66

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Solution

The fourth proportional to 376,480,751.43, 518,995,871.81 and 263,098,223.66 is: 362,692,890.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,480,751.43 : 518,995,871.81 = 263,098,223.66 : x
  2. Step 2: Convert to fraction form
    376,480,751.43/518,995,871.81 = 263,098,223.66/x
  3. Step 3: Cross multiply
    376,480,751.43x = 518,995,871.81 × 263,098,223.66
  4. Step 4: Simplify right side
    376,480,751.43x = 136,546,891,956,173,600
  5. Step 5: Solve for x
    x = 136,546,891,956,173,600/376,480,751.43
  6. Step 6: Final answer
    x = 362,692,890.51

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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.