Home / 13,153,237,261.60-19,729,855,892.40-6,179,668,459.60

Finding the Fourth Proportional to 13,153,237,261.60, 19,729,855,892.40 and 6,179,668,459.60

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Solution

The fourth proportional to 13,153,237,261.60, 19,729,855,892.40 and 6,179,668,459.60 is: 9,269,502,689.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,153,237,261.60 : 19,729,855,892.40 = 6,179,668,459.60 : x
  2. Step 2: Convert to fraction form
    13,153,237,261.60/19,729,855,892.40 = 6,179,668,459.60/x
  3. Step 3: Cross multiply
    13,153,237,261.60x = 19,729,855,892.40 × 6,179,668,459.60
  4. Step 4: Simplify right side
    13,153,237,261.60x = 121,923,968,170,717,511,680
  5. Step 5: Solve for x
    x = 121,923,968,170,717,511,680/13,153,237,261.60
  6. Step 6: Final answer
    x = 9,269,502,689.40

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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.