Home / 10,476,927,285.60-15,715,390,928.40-9,099,432,213.60

Finding the Fourth Proportional to 10,476,927,285.60, 15,715,390,928.40 and 9,099,432,213.60

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Solution

The fourth proportional to 10,476,927,285.60, 15,715,390,928.40 and 9,099,432,213.60 is: 13,649,148,320.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,476,927,285.60 : 15,715,390,928.40 = 9,099,432,213.60 : x
  2. Step 2: Convert to fraction form
    10,476,927,285.60/15,715,390,928.40 = 9,099,432,213.60/x
  3. Step 3: Cross multiply
    10,476,927,285.60x = 15,715,390,928.40 × 9,099,432,213.60
  4. Step 4: Simplify right side
    10,476,927,285.60x = 143,001,134,463,200,165,888
  5. Step 5: Solve for x
    x = 143,001,134,463,200,165,888/10,476,927,285.60
  6. Step 6: Final answer
    x = 13,649,148,320.40

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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.