Home / 28,366,848,029.60-42,550,272,044.40-7,687,415,837.60

Finding the Fourth Proportional to 28,366,848,029.60, 42,550,272,044.40 and 7,687,415,837.60

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Solution

The fourth proportional to 28,366,848,029.60, 42,550,272,044.40 and 7,687,415,837.60 is: 11,531,123,756.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,366,848,029.60 : 42,550,272,044.40 = 7,687,415,837.60 : x
  2. Step 2: Convert to fraction form
    28,366,848,029.60/42,550,272,044.40 = 7,687,415,837.60/x
  3. Step 3: Cross multiply
    28,366,848,029.60x = 42,550,272,044.40 × 7,687,415,837.60
  4. Step 4: Simplify right side
    28,366,848,029.60x = 327,101,635,208,309,112,832
  5. Step 5: Solve for x
    x = 327,101,635,208,309,112,832/28,366,848,029.60
  6. Step 6: Final answer
    x = 11,531,123,756.40

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1.5x scale

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.