Home / 1,615,263,641.88-2,229,059,419.93-900,799,971.13

Finding the Fourth Proportional to 1,615,263,641.88, 2,229,059,419.93 and 900,799,971.13

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Solution

The fourth proportional to 1,615,263,641.88, 2,229,059,419.93 and 900,799,971.13 is: 1,243,101,503.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,263,641.88 : 2,229,059,419.93 = 900,799,971.13 : x
  2. Step 2: Convert to fraction form
    1,615,263,641.88/2,229,059,419.93 = 900,799,971.13/x
  3. Step 3: Cross multiply
    1,615,263,641.88x = 2,229,059,419.93 × 900,799,971.13
  4. Step 4: Simplify right side
    1,615,263,641.88x = 2,007,936,661,123,865,856
  5. Step 5: Solve for x
    x = 2,007,936,661,123,865,856/1,615,263,641.88
  6. Step 6: Final answer
    x = 1,243,101,503.10

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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.