Home / 13,300,005,788.76-18,353,996,009.52-7,507,528,704.88

Finding the Fourth Proportional to 13,300,005,788.76, 18,353,996,009.52 and 7,507,528,704.88

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Solution

The fourth proportional to 13,300,005,788.76, 18,353,996,009.52 and 7,507,528,704.88 is: 10,360,382,850.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,300,005,788.76 : 18,353,996,009.52 = 7,507,528,704.88 : x
  2. Step 2: Convert to fraction form
    13,300,005,788.76/18,353,996,009.52 = 7,507,528,704.88/x
  3. Step 3: Cross multiply
    13,300,005,788.76x = 18,353,996,009.52 × 7,507,528,704.88
  4. Step 4: Simplify right side
    13,300,005,788.76x = 137,793,151,890,724,372,480
  5. Step 5: Solve for x
    x = 137,793,151,890,724,372,480/13,300,005,788.76
  6. Step 6: Final answer
    x = 10,360,382,850.90

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Double scale
Find fourth proportional to 13,300,005,789.76, 18,353,996,010.90 and 7,507,528,705.88
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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.