Home / 1,978,445,654.52-2,730,130,824.60-1,086,366,135.94

Finding the Fourth Proportional to 1,978,445,654.52, 2,730,130,824.60 and 1,086,366,135.94

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Solution

The fourth proportional to 1,978,445,654.52, 2,730,130,824.60 and 1,086,366,135.94 is: 1,499,117,081.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,978,445,654.52 : 2,730,130,824.60 = 1,086,366,135.94 : x
  2. Step 2: Convert to fraction form
    1,978,445,654.52/2,730,130,824.60 = 1,086,366,135.94/x
  3. Step 3: Cross multiply
    1,978,445,654.52x = 2,730,130,824.60 × 1,086,366,135.94
  4. Step 4: Simplify right side
    1,978,445,654.52x = 2,965,921,674,531,387,904
  5. Step 5: Solve for x
    x = 2,965,921,674,531,387,904/1,978,445,654.52
  6. Step 6: Final answer
    x = 1,499,117,081.01

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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.