Home / 1,780,758,290.38-2,671,137,518.62-1,219,967,132.55

Finding the Fourth Proportional to 1,780,758,290.38, 2,671,137,518.62 and 1,219,967,132.55

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Solution

The fourth proportional to 1,780,758,290.38, 2,671,137,518.62 and 1,219,967,132.55 is: 1,829,950,755.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,758,290.38 : 2,671,137,518.62 = 1,219,967,132.55 : x
  2. Step 2: Convert to fraction form
    1,780,758,290.38/2,671,137,518.62 = 1,219,967,132.55/x
  3. Step 3: Cross multiply
    1,780,758,290.38x = 2,671,137,518.62 × 1,219,967,132.55
  4. Step 4: Simplify right side
    1,780,758,290.38x = 3,258,699,979,237,563,392
  5. Step 5: Solve for x
    x = 3,258,699,979,237,563,392/1,780,758,290.38
  6. Step 6: Final answer
    x = 1,829,950,755.72

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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.