Home / 7,418,313,431.40-11,127,470,147.10-7,366,657,366.20

Finding the Fourth Proportional to 7,418,313,431.40, 11,127,470,147.10 and 7,366,657,366.20

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Solution

The fourth proportional to 7,418,313,431.40, 11,127,470,147.10 and 7,366,657,366.20 is: 11,049,986,049.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,418,313,431.40 : 11,127,470,147.10 = 7,366,657,366.20 : x
  2. Step 2: Convert to fraction form
    7,418,313,431.40/11,127,470,147.10 = 7,366,657,366.20/x
  3. Step 3: Cross multiply
    7,418,313,431.40x = 11,127,470,147.10 × 7,366,657,366.20
  4. Step 4: Simplify right side
    7,418,313,431.40x = 81,972,259,926,304,817,152
  5. Step 5: Solve for x
    x = 81,972,259,926,304,817,152/7,418,313,431.40
  6. Step 6: Final answer
    x = 11,049,986,049.30

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Double scale
Find fourth proportional to 7,418,313,432.40, 11,127,470,148.60 and 7,366,657,367.20
Similar ratio
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1.5x scale

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.