Home / 1,115,724,974.60-1,539,654,229.49-607,089,787.97

Finding the Fourth Proportional to 1,115,724,974.60, 1,539,654,229.49 and 607,089,787.97

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Solution

The fourth proportional to 1,115,724,974.60, 1,539,654,229.49 and 607,089,787.97 is: 837,758,749.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,724,974.60 : 1,539,654,229.49 = 607,089,787.97 : x
  2. Step 2: Convert to fraction form
    1,115,724,974.60/1,539,654,229.49 = 607,089,787.97/x
  3. Step 3: Cross multiply
    1,115,724,974.60x = 1,539,654,229.49 × 607,089,787.97
  4. Step 4: Simplify right side
    1,115,724,974.60x = 934,708,359,717,464,064
  5. Step 5: Solve for x
    x = 934,708,359,717,464,064/1,115,724,974.60
  6. Step 6: Final answer
    x = 837,758,749.69

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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.