Home / 7,677,155,458.60-11,515,733,187.90-6,368,535,140.20

Finding the Fourth Proportional to 7,677,155,458.60, 11,515,733,187.90 and 6,368,535,140.20

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Solution

The fourth proportional to 7,677,155,458.60, 11,515,733,187.90 and 6,368,535,140.20 is: 9,552,802,710.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,677,155,458.60 : 11,515,733,187.90 = 6,368,535,140.20 : x
  2. Step 2: Convert to fraction form
    7,677,155,458.60/11,515,733,187.90 = 6,368,535,140.20/x
  3. Step 3: Cross multiply
    7,677,155,458.60x = 11,515,733,187.90 × 6,368,535,140.20
  4. Step 4: Simplify right side
    7,677,155,458.60x = 73,338,351,472,308,518,912
  5. Step 5: Solve for x
    x = 73,338,351,472,308,518,912/7,677,155,458.60
  6. Step 6: Final answer
    x = 9,552,802,710.30

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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.