Home / 21,104,005,121.16-29,124,033,099.15-11,459,141,570.44

Finding the Fourth Proportional to 21,104,005,121.16, 29,124,033,099.15 and 11,459,141,570.44

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Solution

The fourth proportional to 21,104,005,121.16, 29,124,033,099.15 and 11,459,141,570.44 is: 15,813,890,134.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,104,005,121.16 : 29,124,033,099.15 = 11,459,141,570.44 : x
  2. Step 2: Convert to fraction form
    21,104,005,121.16/29,124,033,099.15 = 11,459,141,570.44/x
  3. Step 3: Cross multiply
    21,104,005,121.16x = 29,124,033,099.15 × 11,459,141,570.44
  4. Step 4: Simplify right side
    21,104,005,121.16x = 333,736,418,385,340,334,080
  5. Step 5: Solve for x
    x = 333,736,418,385,340,334,080/21,104,005,121.16
  6. Step 6: Final answer
    x = 15,813,890,134.57

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1.5x scale

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.