Home / 680,117,211.38-1,019,112,935.01-473,259,780.86

Finding the Fourth Proportional to 680,117,211.38, 1,019,112,935.01 and 473,259,780.86

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Solution

The fourth proportional to 680,117,211.38, 1,019,112,935.01 and 473,259,780.86 is: 709,150,064.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,117,211.38 : 1,019,112,935.01 = 473,259,780.86 : x
  2. Step 2: Convert to fraction form
    680,117,211.38/1,019,112,935.01 = 473,259,780.86/x
  3. Step 3: Cross multiply
    680,117,211.38x = 1,019,112,935.01 × 473,259,780.86
  4. Step 4: Simplify right side
    680,117,211.38x = 482,305,164,289,328,448
  5. Step 5: Solve for x
    x = 482,305,164,289,328,448/680,117,211.38
  6. Step 6: Final answer
    x = 709,150,064.46

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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.