Home / 2,020,854,351.60-3,031,281,527.40-915,988,512.60

Finding the Fourth Proportional to 2,020,854,351.60, 3,031,281,527.40 and 915,988,512.60

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Solution

The fourth proportional to 2,020,854,351.60, 3,031,281,527.40 and 915,988,512.60 is: 1,373,982,768.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020,854,351.60 : 3,031,281,527.40 = 915,988,512.60 : x
  2. Step 2: Convert to fraction form
    2,020,854,351.60/3,031,281,527.40 = 915,988,512.60/x
  3. Step 3: Cross multiply
    2,020,854,351.60x = 3,031,281,527.40 × 915,988,512.60
  4. Step 4: Simplify right side
    2,020,854,351.60x = 2,776,619,057,554,982,400
  5. Step 5: Solve for x
    x = 2,776,619,057,554,982,400/2,020,854,351.60
  6. Step 6: Final answer
    x = 1,373,982,768.90

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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.