Home / 3,940,442,486.10-5,437,811,059.47-2,156,296,318.20

Finding the Fourth Proportional to 3,940,442,486.10, 5,437,811,059.47 and 2,156,296,318.20

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Solution

The fourth proportional to 3,940,442,486.10, 5,437,811,059.47 and 2,156,296,318.20 is: 2,975,689,153.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,940,442,486.10 : 5,437,811,059.47 = 2,156,296,318.20 : x
  2. Step 2: Convert to fraction form
    3,940,442,486.10/5,437,811,059.47 = 2,156,296,318.20/x
  3. Step 3: Cross multiply
    3,940,442,486.10x = 5,437,811,059.47 × 2,156,296,318.20
  4. Step 4: Simplify right side
    3,940,442,486.10x = 11,725,531,966,602,401,792
  5. Step 5: Solve for x
    x = 11,725,531,966,602,401,792/3,940,442,486.10
  6. Step 6: Final answer
    x = 2,975,689,153.68

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1.5x scale

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.