Home / 10,353,766,230.40-15,530,649,345.60-8,631,897,390.40

Finding the Fourth Proportional to 10,353,766,230.40, 15,530,649,345.60 and 8,631,897,390.40

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Solution

The fourth proportional to 10,353,766,230.40, 15,530,649,345.60 and 8,631,897,390.40 is: 12,947,846,085.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,353,766,230.40 : 15,530,649,345.60 = 8,631,897,390.40 : x
  2. Step 2: Convert to fraction form
    10,353,766,230.40/15,530,649,345.60 = 8,631,897,390.40/x
  3. Step 3: Cross multiply
    10,353,766,230.40x = 15,530,649,345.60 × 8,631,897,390.40
  4. Step 4: Simplify right side
    10,353,766,230.40x = 134,058,971,557,502,107,648
  5. Step 5: Solve for x
    x = 134,058,971,557,502,107,648/10,353,766,230.40
  6. Step 6: Final answer
    x = 12,947,846,085.60

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.