Home / 806,764,007.20-1,210,146,010.80-587,385,162.40

Finding the Fourth Proportional to 806,764,007.20, 1,210,146,010.80 and 587,385,162.40

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Solution

The fourth proportional to 806,764,007.20, 1,210,146,010.80 and 587,385,162.40 is: 881,077,743.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,764,007.20 : 1,210,146,010.80 = 587,385,162.40 : x
  2. Step 2: Convert to fraction form
    806,764,007.20/1,210,146,010.80 = 587,385,162.40/x
  3. Step 3: Cross multiply
    806,764,007.20x = 1,210,146,010.80 × 587,385,162.40
  4. Step 4: Simplify right side
    806,764,007.20x = 710,821,811,081,470,080
  5. Step 5: Solve for x
    x = 710,821,811,081,470,080/806,764,007.20
  6. Step 6: Final answer
    x = 881,077,743.60

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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.