Home / 699,842,736.15-1,049,764,104.23-518,444,208.15

Finding the Fourth Proportional to 699,842,736.15, 1,049,764,104.23 and 518,444,208.15

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Solution

The fourth proportional to 699,842,736.15, 1,049,764,104.23 and 518,444,208.15 is: 777,666,312.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,842,736.15 : 1,049,764,104.23 = 518,444,208.15 : x
  2. Step 2: Convert to fraction form
    699,842,736.15/1,049,764,104.23 = 518,444,208.15/x
  3. Step 3: Cross multiply
    699,842,736.15x = 1,049,764,104.23 × 518,444,208.15
  4. Step 4: Simplify right side
    699,842,736.15x = 544,244,119,759,224,192
  5. Step 5: Solve for x
    x = 544,244,119,759,224,192/699,842,736.15
  6. Step 6: Final answer
    x = 777,666,312.23

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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.