Home / 13,442,088,548.90-18,550,141,446.12-7,420,643,432.66

Finding the Fourth Proportional to 13,442,088,548.90, 18,550,141,446.12 and 7,420,643,432.66

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Solution

The fourth proportional to 13,442,088,548.90, 18,550,141,446.12 and 7,420,643,432.66 is: 10,240,520,645.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,442,088,548.90 : 18,550,141,446.12 = 7,420,643,432.66 : x
  2. Step 2: Convert to fraction form
    13,442,088,548.90/18,550,141,446.12 = 7,420,643,432.66/x
  3. Step 3: Cross multiply
    13,442,088,548.90x = 18,550,141,446.12 × 7,420,643,432.66
  4. Step 4: Simplify right side
    13,442,088,548.90x = 137,653,985,296,971,694,080
  5. Step 5: Solve for x
    x = 137,653,985,296,971,694,080/13,442,088,548.90
  6. Step 6: Final answer
    x = 10,240,520,645.01

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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.