Home / 397,376,918,963.52-548,377,358,496.48-216,935,826,204.48

Finding the Fourth Proportional to 397,376,918,963.52, 548,377,358,496.48 and 216,935,826,204.48

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Solution

The fourth proportional to 397,376,918,963.52, 548,377,358,496.48 and 216,935,826,204.48 is: 299,369,917,225.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,376,918,963.52 : 548,377,358,496.48 = 216,935,826,204.48 : x
  2. Step 2: Convert to fraction form
    397,376,918,963.52/548,377,358,496.48 = 216,935,826,204.48/x
  3. Step 3: Cross multiply
    397,376,918,963.52x = 548,377,358,496.48 × 216,935,826,204.48
  4. Step 4: Simplify right side
    397,376,918,963.52x = 118,962,695,337,264,212,344,832
  5. Step 5: Solve for x
    x = 118,962,695,337,264,212,344,832/397,376,918,963.52
  6. Step 6: Final answer
    x = 299,369,917,225.08

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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.