Home / 78,788,338,216.54-118,189,772,533.23-25,729,649,412.46

Finding the Fourth Proportional to 78,788,338,216.54, 118,189,772,533.23 and 25,729,649,412.46

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Solution

The fourth proportional to 78,788,338,216.54, 118,189,772,533.23 and 25,729,649,412.46 is: 38,596,846,693.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,788,338,216.54 : 118,189,772,533.23 = 25,729,649,412.46 : x
  2. Step 2: Convert to fraction form
    78,788,338,216.54/118,189,772,533.23 = 25,729,649,412.46/x
  3. Step 3: Cross multiply
    78,788,338,216.54x = 118,189,772,533.23 × 25,729,649,412.46
  4. Step 4: Simplify right side
    78,788,338,216.54x = 3,040,981,411,418,402,193,408
  5. Step 5: Solve for x
    x = 3,040,981,411,418,402,193,408/78,788,338,216.54
  6. Step 6: Final answer
    x = 38,596,846,693.99

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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.