Home / 806,706,894.30-1,210,060,341.45-531,207,879.90

Finding the Fourth Proportional to 806,706,894.30, 1,210,060,341.45 and 531,207,879.90

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Solution

The fourth proportional to 806,706,894.30, 1,210,060,341.45 and 531,207,879.90 is: 796,811,819.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,706,894.30 : 1,210,060,341.45 = 531,207,879.90 : x
  2. Step 2: Convert to fraction form
    806,706,894.30/1,210,060,341.45 = 531,207,879.90/x
  3. Step 3: Cross multiply
    806,706,894.30x = 1,210,060,341.45 × 531,207,879.90
  4. Step 4: Simplify right side
    806,706,894.30x = 642,793,588,532,724,608
  5. Step 5: Solve for x
    x = 642,793,588,532,724,608/806,706,894.30
  6. Step 6: Final answer
    x = 796,811,819.85

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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.