Home / 1,615,263,661.41-2,229,059,446.83-900,799,990.67

Finding the Fourth Proportional to 1,615,263,661.41, 2,229,059,446.83 and 900,799,990.67

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Solution

The fourth proportional to 1,615,263,661.41, 2,229,059,446.83 and 900,799,990.67 is: 1,243,101,530.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,263,661.41 : 2,229,059,446.83 = 900,799,990.67 : x
  2. Step 2: Convert to fraction form
    1,615,263,661.41/2,229,059,446.83 = 900,799,990.67/x
  3. Step 3: Cross multiply
    1,615,263,661.41x = 2,229,059,446.83 × 900,799,990.67
  4. Step 4: Simplify right side
    1,615,263,661.41x = 2,007,936,728,896,193,792
  5. Step 5: Solve for x
    x = 2,007,936,728,896,193,792/1,615,263,661.41
  6. Step 6: Final answer
    x = 1,243,101,530.03

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Double scale
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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.