Home / 1,090,465,309.80-1,635,697,964.70-655,108,842.60

Finding the Fourth Proportional to 1,090,465,309.80, 1,635,697,964.70 and 655,108,842.60

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Solution

The fourth proportional to 1,090,465,309.80, 1,635,697,964.70 and 655,108,842.60 is: 982,663,263.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,465,309.80 : 1,635,697,964.70 = 655,108,842.60 : x
  2. Step 2: Convert to fraction form
    1,090,465,309.80/1,635,697,964.70 = 655,108,842.60/x
  3. Step 3: Cross multiply
    1,090,465,309.80x = 1,635,697,964.70 × 655,108,842.60
  4. Step 4: Simplify right side
    1,090,465,309.80x = 1,071,560,200,497,792,768
  5. Step 5: Solve for x
    x = 1,071,560,200,497,792,768/1,090,465,309.80
  6. Step 6: Final answer
    x = 982,663,263.90

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1.5x scale

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.