Home / 1,780,758,290.13-2,671,137,518.25-1,219,967,132.30

Finding the Fourth Proportional to 1,780,758,290.13, 2,671,137,518.25 and 1,219,967,132.30

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Solution

The fourth proportional to 1,780,758,290.13, 2,671,137,518.25 and 1,219,967,132.30 is: 1,829,950,755.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,758,290.13 : 2,671,137,518.25 = 1,219,967,132.30 : x
  2. Step 2: Convert to fraction form
    1,780,758,290.13/2,671,137,518.25 = 1,219,967,132.30/x
  3. Step 3: Cross multiply
    1,780,758,290.13x = 2,671,137,518.25 × 1,219,967,132.30
  4. Step 4: Simplify right side
    1,780,758,290.13x = 3,258,699,978,120,677,376
  5. Step 5: Solve for x
    x = 3,258,699,978,120,677,376/1,780,758,290.13
  6. Step 6: Final answer
    x = 1,829,950,755.35

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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.