Home / 660,267,798.60-990,370,205.10-223,525,648.20

Finding the Fourth Proportional to 660,267,798.60, 990,370,205.10 and 223,525,648.20

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Solution

The fourth proportional to 660,267,798.60, 990,370,205.10 and 223,525,648.20 is: 335,277,810.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,267,798.60 : 990,370,205.10 = 223,525,648.20 : x
  2. Step 2: Convert to fraction form
    660,267,798.60/990,370,205.10 = 223,525,648.20/x
  3. Step 3: Cross multiply
    660,267,798.60x = 990,370,205.10 × 223,525,648.20
  4. Step 4: Simplify right side
    660,267,798.60x = 221,373,142,052,944,448
  5. Step 5: Solve for x
    x = 221,373,142,052,944,448/660,267,798.60
  6. Step 6: Final answer
    x = 335,277,810.79

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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.