Home / 867,083,309.64-1,196,369,882.04-490,739,897.25

Finding the Fourth Proportional to 867,083,309.64, 1,196,369,882.04 and 490,739,897.25

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Solution

The fourth proportional to 867,083,309.64, 1,196,369,882.04 and 490,739,897.25 is: 677,104,986.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,083,309.64 : 1,196,369,882.04 = 490,739,897.25 : x
  2. Step 2: Convert to fraction form
    867,083,309.64/1,196,369,882.04 = 490,739,897.25/x
  3. Step 3: Cross multiply
    867,083,309.64x = 1,196,369,882.04 × 490,739,897.25
  4. Step 4: Simplify right side
    867,083,309.64x = 587,106,432,981,308,544
  5. Step 5: Solve for x
    x = 587,106,432,981,308,544/867,083,309.64
  6. Step 6: Final answer
    x = 677,104,986.86

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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.