Home / 784,945,713.18-1,083,176,276.84-432,501,980.78

Finding the Fourth Proportional to 784,945,713.18, 1,083,176,276.84 and 432,501,980.78

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Solution

The fourth proportional to 784,945,713.18, 1,083,176,276.84 and 432,501,980.78 is: 596,825,840.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,945,713.18 : 1,083,176,276.84 = 432,501,980.78 : x
  2. Step 2: Convert to fraction form
    784,945,713.18/1,083,176,276.84 = 432,501,980.78/x
  3. Step 3: Cross multiply
    784,945,713.18x = 1,083,176,276.84 × 432,501,980.78
  4. Step 4: Simplify right side
    784,945,713.18x = 468,475,885,267,205,568
  5. Step 5: Solve for x
    x = 468,475,885,267,205,568/784,945,713.18
  6. Step 6: Final answer
    x = 596,825,840.82

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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.