Home / 712,825,936-1,069,239,749.60-195,260,838.72

Finding the Fourth Proportional to 712,825,936, 1,069,239,749.60 and 195,260,838.72

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Solution

The fourth proportional to 712,825,936, 1,069,239,749.60 and 195,260,838.72 is: 292,891,489.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,825,936 : 1,069,239,749.60 = 195,260,838.72 : x
  2. Step 2: Convert to fraction form
    712,825,936/1,069,239,749.60 = 195,260,838.72/x
  3. Step 3: Cross multiply
    712,825,936x = 1,069,239,749.60 × 195,260,838.72
  4. Step 4: Simplify right side
    712,825,936x = 208,780,650,299,658,784
  5. Step 5: Solve for x
    x = 208,780,650,299,658,784/712,825,936
  6. Step 6: Final answer
    x = 292,891,489.71

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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.