Home / 838,220,833.14-1,156,692,629.83-461,856,359.15

Finding the Fourth Proportional to 838,220,833.14, 1,156,692,629.83 and 461,856,359.15

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Solution

The fourth proportional to 838,220,833.14, 1,156,692,629.83 and 461,856,359.15 is: 637,333,057.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,220,833.14 : 1,156,692,629.83 = 461,856,359.15 : x
  2. Step 2: Convert to fraction form
    838,220,833.14/1,156,692,629.83 = 461,856,359.15/x
  3. Step 3: Cross multiply
    838,220,833.14x = 1,156,692,629.83 × 461,856,359.15
  4. Step 4: Simplify right side
    838,220,833.14x = 534,225,846,665,857,216
  5. Step 5: Solve for x
    x = 534,225,846,665,857,216/838,220,833.14
  6. Step 6: Final answer
    x = 637,333,057.76

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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.