Home / 822,547,651.58-1,234,025,688.52-408,218,926.94

Finding the Fourth Proportional to 822,547,651.58, 1,234,025,688.52 and 408,218,926.94

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Solution

The fourth proportional to 822,547,651.58, 1,234,025,688.52 and 408,218,926.94 is: 612,429,737.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,547,651.58 : 1,234,025,688.52 = 408,218,926.94 : x
  2. Step 2: Convert to fraction form
    822,547,651.58/1,234,025,688.52 = 408,218,926.94/x
  3. Step 3: Cross multiply
    822,547,651.58x = 1,234,025,688.52 × 408,218,926.94
  4. Step 4: Simplify right side
    822,547,651.58x = 503,752,642,384,029,056
  5. Step 5: Solve for x
    x = 503,752,642,384,029,056/822,547,651.58
  6. Step 6: Final answer
    x = 612,429,737.56

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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.