Home / 1,010,227,344.16-1,383,988,301.96-972,457,697.20

Finding the Fourth Proportional to 1,010,227,344.16, 1,383,988,301.96 and 972,457,697.20

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Solution

The fourth proportional to 1,010,227,344.16, 1,383,988,301.96 and 972,457,697.20 is: 1,332,244,751.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,227,344.16 : 1,383,988,301.96 = 972,457,697.20 : x
  2. Step 2: Convert to fraction form
    1,010,227,344.16/1,383,988,301.96 = 972,457,697.20/x
  3. Step 3: Cross multiply
    1,010,227,344.16x = 1,383,988,301.96 × 972,457,697.20
  4. Step 4: Simplify right side
    1,010,227,344.16x = 1,345,870,077,075,759,872
  5. Step 5: Solve for x
    x = 1,345,870,077,075,759,872/1,010,227,344.16
  6. Step 6: Final answer
    x = 1,332,244,751.50

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.