Home / 2,125,765,905.40-3,188,648,858.10-1,853,668,113.40

Finding the Fourth Proportional to 2,125,765,905.40, 3,188,648,858.10 and 1,853,668,113.40

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Solution

The fourth proportional to 2,125,765,905.40, 3,188,648,858.10 and 1,853,668,113.40 is: 2,780,502,170.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125,765,905.40 : 3,188,648,858.10 = 1,853,668,113.40 : x
  2. Step 2: Convert to fraction form
    2,125,765,905.40/3,188,648,858.10 = 1,853,668,113.40/x
  3. Step 3: Cross multiply
    2,125,765,905.40x = 3,188,648,858.10 × 1,853,668,113.40
  4. Step 4: Simplify right side
    2,125,765,905.40x = 5,910,696,713,089,291,264
  5. Step 5: Solve for x
    x = 5,910,696,713,089,291,264/2,125,765,905.40
  6. Step 6: Final answer
    x = 2,780,502,170.10

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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.