Home / 5,164,769,109.32-7,129,580,588.69-3,472,205,379.20

Finding the Fourth Proportional to 5,164,769,109.32, 7,129,580,588.69 and 3,472,205,379.20

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Solution

The fourth proportional to 5,164,769,109.32, 7,129,580,588.69 and 3,472,205,379.20 is: 4,793,121,928.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,164,769,109.32 : 7,129,580,588.69 = 3,472,205,379.20 : x
  2. Step 2: Convert to fraction form
    5,164,769,109.32/7,129,580,588.69 = 3,472,205,379.20/x
  3. Step 3: Cross multiply
    5,164,769,109.32x = 7,129,580,588.69 × 3,472,205,379.20
  4. Step 4: Simplify right side
    5,164,769,109.32x = 24,755,368,071,436,312,576
  5. Step 5: Solve for x
    x = 24,755,368,071,436,312,576/5,164,769,109.32
  6. Step 6: Final answer
    x = 4,793,121,928.10

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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.