Home / 1,271,491,749.50-1,754,264,269.05-742,474,120.46

Finding the Fourth Proportional to 1,271,491,749.50, 1,754,264,269.05 and 742,474,120.46

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Solution

The fourth proportional to 1,271,491,749.50, 1,754,264,269.05 and 742,474,120.46 is: 1,024,384,012.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,491,749.50 : 1,754,264,269.05 = 742,474,120.46 : x
  2. Step 2: Convert to fraction form
    1,271,491,749.50/1,754,264,269.05 = 742,474,120.46/x
  3. Step 3: Cross multiply
    1,271,491,749.50x = 1,754,264,269.05 × 742,474,120.46
  4. Step 4: Simplify right side
    1,271,491,749.50x = 1,302,495,820,217,303,552
  5. Step 5: Solve for x
    x = 1,302,495,820,217,303,552/1,271,491,749.50
  6. Step 6: Final answer
    x = 1,024,384,012.50

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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.