Home / 1,080,300,564.61-1,490,816,291.91-585,263,273.11

Finding the Fourth Proportional to 1,080,300,564.61, 1,490,816,291.91 and 585,263,273.11

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Solution

The fourth proportional to 1,080,300,564.61, 1,490,816,291.91 and 585,263,273.11 is: 807,664,136.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,300,564.61 : 1,490,816,291.91 = 585,263,273.11 : x
  2. Step 2: Convert to fraction form
    1,080,300,564.61/1,490,816,291.91 = 585,263,273.11/x
  3. Step 3: Cross multiply
    1,080,300,564.61x = 1,490,816,291.91 × 585,263,273.11
  4. Step 4: Simplify right side
    1,080,300,564.61x = 872,520,022,603,008,640
  5. Step 5: Solve for x
    x = 872,520,022,603,008,640/1,080,300,564.61
  6. Step 6: Final answer
    x = 807,664,136.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.