Home / 702,085,913.33-968,412,040.30-451,507,109.65

Finding the Fourth Proportional to 702,085,913.33, 968,412,040.30 and 451,507,109.65

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Solution

The fourth proportional to 702,085,913.33, 968,412,040.30 and 451,507,109.65 is: 622,779,795.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,085,913.33 : 968,412,040.30 = 451,507,109.65 : x
  2. Step 2: Convert to fraction form
    702,085,913.33/968,412,040.30 = 451,507,109.65/x
  3. Step 3: Cross multiply
    702,085,913.33x = 968,412,040.30 × 451,507,109.65
  4. Step 4: Simplify right side
    702,085,913.33x = 437,244,921,264,251,136
  5. Step 5: Solve for x
    x = 437,244,921,264,251,136/702,085,913.33
  6. Step 6: Final answer
    x = 622,779,795.13

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.