Home / 1,420,161,334.70-2,130,242,002.05-1,265,972,585.90

Finding the Fourth Proportional to 1,420,161,334.70, 2,130,242,002.05 and 1,265,972,585.90

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Solution

The fourth proportional to 1,420,161,334.70, 2,130,242,002.05 and 1,265,972,585.90 is: 1,898,958,878.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,161,334.70 : 2,130,242,002.05 = 1,265,972,585.90 : x
  2. Step 2: Convert to fraction form
    1,420,161,334.70/2,130,242,002.05 = 1,265,972,585.90/x
  3. Step 3: Cross multiply
    1,420,161,334.70x = 2,130,242,002.05 × 1,265,972,585.90
  4. Step 4: Simplify right side
    1,420,161,334.70x = 2,696,827,975,928,031,744
  5. Step 5: Solve for x
    x = 2,696,827,975,928,031,744/1,420,161,334.70
  6. Step 6: Final answer
    x = 1,898,958,878.85

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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.