Home / 927,996,227.38-1,280,641,455.81-504,606,854.69

Finding the Fourth Proportional to 927,996,227.38, 1,280,641,455.81 and 504,606,854.69

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Solution

The fourth proportional to 927,996,227.38, 1,280,641,455.81 and 504,606,854.69 is: 696,361,082.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,996,227.38 : 1,280,641,455.81 = 504,606,854.69 : x
  2. Step 2: Convert to fraction form
    927,996,227.38/1,280,641,455.81 = 504,606,854.69/x
  3. Step 3: Cross multiply
    927,996,227.38x = 1,280,641,455.81 × 504,606,854.69
  4. Step 4: Simplify right side
    927,996,227.38x = 646,220,457,000,305,920
  5. Step 5: Solve for x
    x = 646,220,457,000,305,920/927,996,227.38
  6. Step 6: Final answer
    x = 696,361,082.01

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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.