Home / 1,119,780,212.10-1,679,670,318.15-708,610,215.30

Finding the Fourth Proportional to 1,119,780,212.10, 1,679,670,318.15 and 708,610,215.30

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Solution

The fourth proportional to 1,119,780,212.10, 1,679,670,318.15 and 708,610,215.30 is: 1,062,915,322.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,780,212.10 : 1,679,670,318.15 = 708,610,215.30 : x
  2. Step 2: Convert to fraction form
    1,119,780,212.10/1,679,670,318.15 = 708,610,215.30/x
  3. Step 3: Cross multiply
    1,119,780,212.10x = 1,679,670,318.15 × 708,610,215.30
  4. Step 4: Simplify right side
    1,119,780,212.10x = 1,190,231,545,777,291,008
  5. Step 5: Solve for x
    x = 1,190,231,545,777,291,008/1,119,780,212.10
  6. Step 6: Final answer
    x = 1,062,915,322.95

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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.