Home / 28,366,848,019.60-42,550,272,029.40-7,687,415,827.60

Finding the Fourth Proportional to 28,366,848,019.60, 42,550,272,029.40 and 7,687,415,827.60

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Solution

The fourth proportional to 28,366,848,019.60, 42,550,272,029.40 and 7,687,415,827.60 is: 11,531,123,741.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,366,848,019.60 : 42,550,272,029.40 = 7,687,415,827.60 : x
  2. Step 2: Convert to fraction form
    28,366,848,019.60/42,550,272,029.40 = 7,687,415,827.60/x
  3. Step 3: Cross multiply
    28,366,848,019.60x = 42,550,272,029.40 × 7,687,415,827.60
  4. Step 4: Simplify right side
    28,366,848,019.60x = 327,101,634,667,495,161,856
  5. Step 5: Solve for x
    x = 327,101,634,667,495,161,856/28,366,848,019.60
  6. Step 6: Final answer
    x = 11,531,123,741.40

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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.