Home / 15,116,574,563.10-22,674,861,844.65-7,678,101,174.30

Finding the Fourth Proportional to 15,116,574,563.10, 22,674,861,844.65 and 7,678,101,174.30

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Solution

The fourth proportional to 15,116,574,563.10, 22,674,861,844.65 and 7,678,101,174.30 is: 11,517,151,761.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,116,574,563.10 : 22,674,861,844.65 = 7,678,101,174.30 : x
  2. Step 2: Convert to fraction form
    15,116,574,563.10/22,674,861,844.65 = 7,678,101,174.30/x
  3. Step 3: Cross multiply
    15,116,574,563.10x = 22,674,861,844.65 × 7,678,101,174.30
  4. Step 4: Simplify right side
    15,116,574,563.10x = 174,099,883,356,497,444,864
  5. Step 5: Solve for x
    x = 174,099,883,356,497,444,864/15,116,574,563.10
  6. Step 6: Final answer
    x = 11,517,151,761.45

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Double scale
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Similar ratio
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1.5x scale

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.