Home / 4,748,612,616.32-7,122,979,544.01-1,254,987,905.34

Finding the Fourth Proportional to 4,748,612,616.32, 7,122,979,544.01 and 1,254,987,905.34

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Solution

The fourth proportional to 4,748,612,616.32, 7,122,979,544.01 and 1,254,987,905.34 is: 1,882,497,878.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,748,612,616.32 : 7,122,979,544.01 = 1,254,987,905.34 : x
  2. Step 2: Convert to fraction form
    4,748,612,616.32/7,122,979,544.01 = 1,254,987,905.34/x
  3. Step 3: Cross multiply
    4,748,612,616.32x = 7,122,979,544.01 × 1,254,987,905.34
  4. Step 4: Simplify right side
    4,748,612,616.32x = 8,939,253,177,745,603,584
  5. Step 5: Solve for x
    x = 8,939,253,177,745,603,584/4,748,612,616.32
  6. Step 6: Final answer
    x = 1,882,497,878.86

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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.