Home / 10,121,398,229.42-13,960,804,045.91-6,508,988,987.65

Finding the Fourth Proportional to 10,121,398,229.42, 13,960,804,045.91 and 6,508,988,987.65

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Solution

The fourth proportional to 10,121,398,229.42, 13,960,804,045.91 and 6,508,988,987.65 is: 8,978,079,681.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,121,398,229.42 : 13,960,804,045.91 = 6,508,988,987.65 : x
  2. Step 2: Convert to fraction form
    10,121,398,229.42/13,960,804,045.91 = 6,508,988,987.65/x
  3. Step 3: Cross multiply
    10,121,398,229.42x = 13,960,804,045.91 × 6,508,988,987.65
  4. Step 4: Simplify right side
    10,121,398,229.42x = 90,870,719,793,500,307,456
  5. Step 5: Solve for x
    x = 90,870,719,793,500,307,456/10,121,398,229.42
  6. Step 6: Final answer
    x = 8,978,079,681.66

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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.