Home / 11,871,036,019.30-17,806,554,028.95-8,388,184,281.70

Finding the Fourth Proportional to 11,871,036,019.30, 17,806,554,028.95 and 8,388,184,281.70

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Solution

The fourth proportional to 11,871,036,019.30, 17,806,554,028.95 and 8,388,184,281.70 is: 12,582,276,422.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,871,036,019.30 : 17,806,554,028.95 = 8,388,184,281.70 : x
  2. Step 2: Convert to fraction form
    11,871,036,019.30/17,806,554,028.95 = 8,388,184,281.70/x
  3. Step 3: Cross multiply
    11,871,036,019.30x = 17,806,554,028.95 × 8,388,184,281.70
  4. Step 4: Simplify right side
    11,871,036,019.30x = 149,364,656,616,880,209,920
  5. Step 5: Solve for x
    x = 149,364,656,616,880,209,920/11,871,036,019.30
  6. Step 6: Final answer
    x = 12,582,276,422.55

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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.