Home / 720,189,903.80-1,080,284,868.66-174,927,763.64

Finding the Fourth Proportional to 720,189,903.80, 1,080,284,868.66 and 174,927,763.64

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Solution

The fourth proportional to 720,189,903.80, 1,080,284,868.66 and 174,927,763.64 is: 262,391,648.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,189,903.80 : 1,080,284,868.66 = 174,927,763.64 : x
  2. Step 2: Convert to fraction form
    720,189,903.80/1,080,284,868.66 = 174,927,763.64/x
  3. Step 3: Cross multiply
    720,189,903.80x = 1,080,284,868.66 × 174,927,763.64
  4. Step 4: Simplify right side
    720,189,903.80x = 188,971,816,163,423,488
  5. Step 5: Solve for x
    x = 188,971,816,163,423,488/720,189,903.80
  6. Step 6: Final answer
    x = 262,391,648.60

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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.