Home / 784,945,707.21-1,083,176,268.66-432,501,974.82

Finding the Fourth Proportional to 784,945,707.21, 1,083,176,268.66 and 432,501,974.82

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Solution

The fourth proportional to 784,945,707.21, 1,083,176,268.66 and 432,501,974.82 is: 596,825,832.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,945,707.21 : 1,083,176,268.66 = 432,501,974.82 : x
  2. Step 2: Convert to fraction form
    784,945,707.21/1,083,176,268.66 = 432,501,974.82/x
  3. Step 3: Cross multiply
    784,945,707.21x = 1,083,176,268.66 × 432,501,974.82
  4. Step 4: Simplify right side
    784,945,707.21x = 468,475,875,273,608,896
  5. Step 5: Solve for x
    x = 468,475,875,273,608,896/784,945,707.21
  6. Step 6: Final answer
    x = 596,825,832.63

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Double scale
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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.