Home / 805,231,509.28-1,111,196,973.80-487,879,647.80

Finding the Fourth Proportional to 805,231,509.28, 1,111,196,973.80 and 487,879,647.80

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Solution

The fourth proportional to 805,231,509.28, 1,111,196,973.80 and 487,879,647.80 is: 673,260,276.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,231,509.28 : 1,111,196,973.80 = 487,879,647.80 : x
  2. Step 2: Convert to fraction form
    805,231,509.28/1,111,196,973.80 = 487,879,647.80/x
  3. Step 3: Cross multiply
    805,231,509.28x = 1,111,196,973.80 × 487,879,647.80
  4. Step 4: Simplify right side
    805,231,509.28x = 542,130,388,213,969,792
  5. Step 5: Solve for x
    x = 542,130,388,213,969,792/805,231,509.28
  6. Step 6: Final answer
    x = 673,260,276.04

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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.