Home / 1,858,374,587.52-2,565,098,488.80-1,214,724,021.60

Finding the Fourth Proportional to 1,858,374,587.52, 2,565,098,488.80 and 1,214,724,021.60

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Solution

The fourth proportional to 1,858,374,587.52, 2,565,098,488.80 and 1,214,724,021.60 is: 1,676,673,138.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,858,374,587.52 : 2,565,098,488.80 = 1,214,724,021.60 : x
  2. Step 2: Convert to fraction form
    1,858,374,587.52/2,565,098,488.80 = 1,214,724,021.60/x
  3. Step 3: Cross multiply
    1,858,374,587.52x = 2,565,098,488.80 × 1,214,724,021.60
  4. Step 4: Simplify right side
    1,858,374,587.52x = 3,115,886,752,115,218,432
  5. Step 5: Solve for x
    x = 3,115,886,752,115,218,432/1,858,374,587.52
  6. Step 6: Final answer
    x = 1,676,673,138.47

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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.