Home / 626,156,934.06-939,350,865.10-206,001,963.06

Finding the Fourth Proportional to 626,156,934.06, 939,350,865.10 and 206,001,963.06

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Solution

The fourth proportional to 626,156,934.06, 939,350,865.10 and 206,001,963.06 is: 309,040,931.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,156,934.06 : 939,350,865.10 = 206,001,963.06 : x
  2. Step 2: Convert to fraction form
    626,156,934.06/939,350,865.10 = 206,001,963.06/x
  3. Step 3: Cross multiply
    626,156,934.06x = 939,350,865.10 × 206,001,963.06
  4. Step 4: Simplify right side
    626,156,934.06x = 193,508,122,212,709,248
  5. Step 5: Solve for x
    x = 193,508,122,212,709,248/626,156,934.06
  6. Step 6: Final answer
    x = 309,040,931.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.