Home / 1,417,178,132.80-2,125,767,199.20-901,892,939.20

Finding the Fourth Proportional to 1,417,178,132.80, 2,125,767,199.20 and 901,892,939.20

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Solution

The fourth proportional to 1,417,178,132.80, 2,125,767,199.20 and 901,892,939.20 is: 1,352,839,408.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417,178,132.80 : 2,125,767,199.20 = 901,892,939.20 : x
  2. Step 2: Convert to fraction form
    1,417,178,132.80/2,125,767,199.20 = 901,892,939.20/x
  3. Step 3: Cross multiply
    1,417,178,132.80x = 2,125,767,199.20 × 901,892,939.20
  4. Step 4: Simplify right side
    1,417,178,132.80x = 1,917,214,427,341,440,000
  5. Step 5: Solve for x
    x = 1,917,214,427,341,440,000/1,417,178,132.80
  6. Step 6: Final answer
    x = 1,352,839,408.80

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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.