Home / 556,922,926.94-835,384,545.20-207,123,290.87

Finding the Fourth Proportional to 556,922,926.94, 835,384,545.20 and 207,123,290.87

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Solution

The fourth proportional to 556,922,926.94, 835,384,545.20 and 207,123,290.87 is: 310,684,993.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,922,926.94 : 835,384,545.20 = 207,123,290.87 : x
  2. Step 2: Convert to fraction form
    556,922,926.94/835,384,545.20 = 207,123,290.87/x
  3. Step 3: Cross multiply
    556,922,926.94x = 835,384,545.20 × 207,123,290.87
  4. Step 4: Simplify right side
    556,922,926.94x = 173,027,596,138,549,728
  5. Step 5: Solve for x
    x = 173,027,596,138,549,728/556,922,926.94
  6. Step 6: Final answer
    x = 310,684,993.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.