Home / 784,945,711.22-1,083,176,274.18-432,501,978.82

Finding the Fourth Proportional to 784,945,711.22, 1,083,176,274.18 and 432,501,978.82

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Solution

The fourth proportional to 784,945,711.22, 1,083,176,274.18 and 432,501,978.82 is: 596,825,838.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,945,711.22 : 1,083,176,274.18 = 432,501,978.82 : x
  2. Step 2: Convert to fraction form
    784,945,711.22/1,083,176,274.18 = 432,501,978.82/x
  3. Step 3: Cross multiply
    784,945,711.22x = 1,083,176,274.18 × 432,501,978.82
  4. Step 4: Simplify right side
    784,945,711.22x = 468,475,881,993,724,864
  5. Step 5: Solve for x
    x = 468,475,881,993,724,864/784,945,711.22
  6. Step 6: Final answer
    x = 596,825,838.14

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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.