Home / 1,294,581,403.70-1,942,061,062.35-421,034,117.30

Finding the Fourth Proportional to 1,294,581,403.70, 1,942,061,062.35 and 421,034,117.30

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Solution

The fourth proportional to 1,294,581,403.70, 1,942,061,062.35 and 421,034,117.30 is: 631,612,629.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,581,403.70 : 1,942,061,062.35 = 421,034,117.30 : x
  2. Step 2: Convert to fraction form
    1,294,581,403.70/1,942,061,062.35 = 421,034,117.30/x
  3. Step 3: Cross multiply
    1,294,581,403.70x = 1,942,061,062.35 × 421,034,117.30
  4. Step 4: Simplify right side
    1,294,581,403.70x = 817,673,965,129,232,512
  5. Step 5: Solve for x
    x = 817,673,965,129,232,512/1,294,581,403.70
  6. Step 6: Final answer
    x = 631,612,629.99

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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.