Home / 736,020,913.20-1,103,093,584.20-391,139,761.20

Finding the Fourth Proportional to 736,020,913.20, 1,103,093,584.20 and 391,139,761.20

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Solution

The fourth proportional to 736,020,913.20, 1,103,093,584.20 and 391,139,761.20 is: 586,211,279.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,020,913.20 : 1,103,093,584.20 = 391,139,761.20 : x
  2. Step 2: Convert to fraction form
    736,020,913.20/1,103,093,584.20 = 391,139,761.20/x
  3. Step 3: Cross multiply
    736,020,913.20x = 1,103,093,584.20 × 391,139,761.20
  4. Step 4: Simplify right side
    736,020,913.20x = 431,463,761,105,240,128
  5. Step 5: Solve for x
    x = 431,463,761,105,240,128/736,020,913.20
  6. Step 6: Final answer
    x = 586,211,279.28

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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.