Home / 8,999,506,407.20-12,419,314,522.32-5,382,530,083.12

Finding the Fourth Proportional to 8,999,506,407.20, 12,419,314,522.32 and 5,382,530,083.12

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Solution

The fourth proportional to 8,999,506,407.20, 12,419,314,522.32 and 5,382,530,083.12 is: 7,427,888,931.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,999,506,407.20 : 12,419,314,522.32 = 5,382,530,083.12 : x
  2. Step 2: Convert to fraction form
    8,999,506,407.20/12,419,314,522.32 = 5,382,530,083.12/x
  3. Step 3: Cross multiply
    8,999,506,407.20x = 12,419,314,522.32 × 5,382,530,083.12
  4. Step 4: Simplify right side
    8,999,506,407.20x = 66,847,334,028,116,492,288
  5. Step 5: Solve for x
    x = 66,847,334,028,116,492,288/8,999,506,407.20
  6. Step 6: Final answer
    x = 7,427,888,931.18

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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.