Home / 693,083,486.25-956,785,019.69-464,332,143.12

Finding the Fourth Proportional to 693,083,486.25, 956,785,019.69 and 464,332,143.12

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Solution

The fourth proportional to 693,083,486.25, 956,785,019.69 and 464,332,143.12 is: 640,999,313.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,083,486.25 : 956,785,019.69 = 464,332,143.12 : x
  2. Step 2: Convert to fraction form
    693,083,486.25/956,785,019.69 = 464,332,143.12/x
  3. Step 3: Cross multiply
    693,083,486.25x = 956,785,019.69 × 464,332,143.12
  4. Step 4: Simplify right side
    693,083,486.25x = 444,266,038,695,416,320
  5. Step 5: Solve for x
    x = 444,266,038,695,416,320/693,083,486.25
  6. Step 6: Final answer
    x = 640,999,313.23

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Double scale
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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.