Home / 806,706,828.80-1,210,060,243.20-531,207,814.40

Finding the Fourth Proportional to 806,706,828.80, 1,210,060,243.20 and 531,207,814.40

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Solution

The fourth proportional to 806,706,828.80, 1,210,060,243.20 and 531,207,814.40 is: 796,811,721.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,706,828.80 : 1,210,060,243.20 = 531,207,814.40 : x
  2. Step 2: Convert to fraction form
    806,706,828.80/1,210,060,243.20 = 531,207,814.40/x
  3. Step 3: Cross multiply
    806,706,828.80x = 1,210,060,243.20 × 531,207,814.40
  4. Step 4: Simplify right side
    806,706,828.80x = 642,793,457,082,604,416
  5. Step 5: Solve for x
    x = 642,793,457,082,604,416/806,706,828.80
  6. Step 6: Final answer
    x = 796,811,721.60

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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.