Home / 2,312,191,487.76-3,190,827,412.88-1,254,919,476.20

Finding the Fourth Proportional to 2,312,191,487.76, 3,190,827,412.88 and 1,254,919,476.20

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Solution

The fourth proportional to 2,312,191,487.76, 3,190,827,412.88 and 1,254,919,476.20 is: 1,731,790,592.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,312,191,487.76 : 3,190,827,412.88 = 1,254,919,476.20 : x
  2. Step 2: Convert to fraction form
    2,312,191,487.76/3,190,827,412.88 = 1,254,919,476.20/x
  3. Step 3: Cross multiply
    2,312,191,487.76x = 3,190,827,412.88 × 1,254,919,476.20
  4. Step 4: Simplify right side
    2,312,191,487.76x = 4,004,231,465,615,970,816
  5. Step 5: Solve for x
    x = 4,004,231,465,615,970,816/2,312,191,487.76
  6. Step 6: Final answer
    x = 1,731,790,592.09

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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.