Home / 375,017,715.83-517,475,369.90-216,253,702.73

Finding the Fourth Proportional to 375,017,715.83, 517,475,369.90 and 216,253,702.73

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Solution

The fourth proportional to 375,017,715.83, 517,475,369.90 and 216,253,702.73 is: 298,401,809.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,017,715.83 : 517,475,369.90 = 216,253,702.73 : x
  2. Step 2: Convert to fraction form
    375,017,715.83/517,475,369.90 = 216,253,702.73/x
  3. Step 3: Cross multiply
    375,017,715.83x = 517,475,369.90 × 216,253,702.73
  4. Step 4: Simplify right side
    375,017,715.83x = 111,905,964,811,370,112
  5. Step 5: Solve for x
    x = 111,905,964,811,370,112/375,017,715.83
  6. Step 6: Final answer
    x = 298,401,809.00

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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.