Home / 7,117,292,374.53-9,821,863,264.28-3,945,468,253.65

Finding the Fourth Proportional to 7,117,292,374.53, 9,821,863,264.28 and 3,945,468,253.65

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Solution

The fourth proportional to 7,117,292,374.53, 9,821,863,264.28 and 3,945,468,253.65 is: 5,444,746,072.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117,292,374.53 : 9,821,863,264.28 = 3,945,468,253.65 : x
  2. Step 2: Convert to fraction form
    7,117,292,374.53/9,821,863,264.28 = 3,945,468,253.65/x
  3. Step 3: Cross multiply
    7,117,292,374.53x = 9,821,863,264.28 × 3,945,468,253.65
  4. Step 4: Simplify right side
    7,117,292,374.53x = 38,751,849,700,888,174,592
  5. Step 5: Solve for x
    x = 38,751,849,700,888,174,592/7,117,292,374.53
  6. Step 6: Final answer
    x = 5,444,746,072.20

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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.