Home / 822,547,649.09-1,234,025,684.76-408,218,924.45

Finding the Fourth Proportional to 822,547,649.09, 1,234,025,684.76 and 408,218,924.45

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Solution

The fourth proportional to 822,547,649.09, 1,234,025,684.76 and 408,218,924.45 is: 612,429,733.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,547,649.09 : 1,234,025,684.76 = 408,218,924.45 : x
  2. Step 2: Convert to fraction form
    822,547,649.09/1,234,025,684.76 = 408,218,924.45/x
  3. Step 3: Cross multiply
    822,547,649.09x = 1,234,025,684.76 × 408,218,924.45
  4. Step 4: Simplify right side
    822,547,649.09x = 503,752,637,770,231,808
  5. Step 5: Solve for x
    x = 503,752,637,770,231,808/822,547,649.09
  6. Step 6: Final answer
    x = 612,429,733.80

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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.