Home / 7,677,155,427.60-11,515,733,141.40-6,368,535,109.20

Finding the Fourth Proportional to 7,677,155,427.60, 11,515,733,141.40 and 6,368,535,109.20

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Solution

The fourth proportional to 7,677,155,427.60, 11,515,733,141.40 and 6,368,535,109.20 is: 9,552,802,663.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,677,155,427.60 : 11,515,733,141.40 = 6,368,535,109.20 : x
  2. Step 2: Convert to fraction form
    7,677,155,427.60/11,515,733,141.40 = 6,368,535,109.20/x
  3. Step 3: Cross multiply
    7,677,155,427.60x = 11,515,733,141.40 × 6,368,535,109.20
  4. Step 4: Simplify right side
    7,677,155,427.60x = 73,338,350,819,183,902,720
  5. Step 5: Solve for x
    x = 73,338,350,819,183,902,720/7,677,155,427.60
  6. Step 6: Final answer
    x = 9,552,802,663.80

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Double scale
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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.