Home / 3,974,395,729.11-5,484,506,423.28-2,165,869,194.48

Finding the Fourth Proportional to 3,974,395,729.11, 5,484,506,423.28 and 2,165,869,194.48

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Solution

The fourth proportional to 3,974,395,729.11, 5,484,506,423.28 and 2,165,869,194.48 is: 2,988,812,468.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,974,395,729.11 : 5,484,506,423.28 = 2,165,869,194.48 : x
  2. Step 2: Convert to fraction form
    3,974,395,729.11/5,484,506,423.28 = 2,165,869,194.48/x
  3. Step 3: Cross multiply
    3,974,395,729.11x = 5,484,506,423.28 × 2,165,869,194.48
  4. Step 4: Simplify right side
    3,974,395,729.11x = 11,878,723,509,109,839,872
  5. Step 5: Solve for x
    x = 11,878,723,509,109,839,872/3,974,395,729.11
  6. Step 6: Final answer
    x = 2,988,812,468.30

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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.