Home / 4,078,773,005.70-6,118,159,508.55-1,320,381,639.30

Finding the Fourth Proportional to 4,078,773,005.70, 6,118,159,508.55 and 1,320,381,639.30

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Solution

The fourth proportional to 4,078,773,005.70, 6,118,159,508.55 and 1,320,381,639.30 is: 1,980,572,458.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078,773,005.70 : 6,118,159,508.55 = 1,320,381,639.30 : x
  2. Step 2: Convert to fraction form
    4,078,773,005.70/6,118,159,508.55 = 1,320,381,639.30/x
  3. Step 3: Cross multiply
    4,078,773,005.70x = 6,118,159,508.55 × 1,320,381,639.30
  4. Step 4: Simplify right side
    4,078,773,005.70x = 8,078,305,481,398,131,712
  5. Step 5: Solve for x
    x = 8,078,305,481,398,131,712/4,078,773,005.70
  6. Step 6: Final answer
    x = 1,980,572,458.95

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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.