Home / 28,366,848,013.60-42,550,272,020.40-7,687,415,821.60

Finding the Fourth Proportional to 28,366,848,013.60, 42,550,272,020.40 and 7,687,415,821.60

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Solution

The fourth proportional to 28,366,848,013.60, 42,550,272,020.40 and 7,687,415,821.60 is: 11,531,123,732.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,366,848,013.60 : 42,550,272,020.40 = 7,687,415,821.60 : x
  2. Step 2: Convert to fraction form
    28,366,848,013.60/42,550,272,020.40 = 7,687,415,821.60/x
  3. Step 3: Cross multiply
    28,366,848,013.60x = 42,550,272,020.40 × 7,687,415,821.60
  4. Step 4: Simplify right side
    28,366,848,013.60x = 327,101,634,343,006,765,056
  5. Step 5: Solve for x
    x = 327,101,634,343,006,765,056/28,366,848,013.60
  6. Step 6: Final answer
    x = 11,531,123,732.40

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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.