Home / 1,216,340,227-1,679,935,196.46-824,519,406.52

Finding the Fourth Proportional to 1,216,340,227, 1,679,935,196.46 and 824,519,406.52

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Solution

The fourth proportional to 1,216,340,227, 1,679,935,196.46 and 824,519,406.52 is: 1,138,776,092.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,340,227 : 1,679,935,196.46 = 824,519,406.52 : x
  2. Step 2: Convert to fraction form
    1,216,340,227/1,679,935,196.46 = 824,519,406.52/x
  3. Step 3: Cross multiply
    1,216,340,227x = 1,679,935,196.46 × 824,519,406.52
  4. Step 4: Simplify right side
    1,216,340,227x = 1,385,139,171,177,258,752
  5. Step 5: Solve for x
    x = 1,385,139,171,177,258,752/1,216,340,227
  6. Step 6: Final answer
    x = 1,138,776,092.77

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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.