Home / 7,200,283,311,023.20-9,936,398,323,036-3,908,031,819,376.40

Finding the Fourth Proportional to 7,200,283,311,023.20, 9,936,398,323,036 and 3,908,031,819,376.40

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Solution

The fourth proportional to 7,200,283,311,023.20, 9,936,398,323,036 and 3,908,031,819,376.40 is: 5,393,087,902,107.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,200,283,311,023.20 : 9,936,398,323,036 = 3,908,031,819,376.40 : x
  2. Step 2: Convert to fraction form
    7,200,283,311,023.20/9,936,398,323,036 = 3,908,031,819,376.40/x
  3. Step 3: Cross multiply
    7,200,283,311,023.20x = 9,936,398,323,036 × 3,908,031,819,376.40
  4. Step 4: Simplify right side
    7,200,283,311,023.20x = 38,831,760,816,422,986,750,885,888
  5. Step 5: Solve for x
    x = 38,831,760,816,422,986,750,885,888/7,200,283,311,023.20
  6. Step 6: Final answer
    x = 5,393,087,902,107.12

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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.