Home / 1,119,780,110.10-1,679,670,165.15-708,610,113.30

Finding the Fourth Proportional to 1,119,780,110.10, 1,679,670,165.15 and 708,610,113.30

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Solution

The fourth proportional to 1,119,780,110.10, 1,679,670,165.15 and 708,610,113.30 is: 1,062,915,169.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,780,110.10 : 1,679,670,165.15 = 708,610,113.30 : x
  2. Step 2: Convert to fraction form
    1,119,780,110.10/1,679,670,165.15 = 708,610,113.30/x
  3. Step 3: Cross multiply
    1,119,780,110.10x = 1,679,670,165.15 × 708,610,113.30
  4. Step 4: Simplify right side
    1,119,780,110.10x = 1,190,231,266,033,571,072
  5. Step 5: Solve for x
    x = 1,190,231,266,033,571,072/1,119,780,110.10
  6. Step 6: Final answer
    x = 1,062,915,169.95

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Double scale
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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.