Home / 720,189,902.30-1,080,284,866.40-174,927,762.14

Finding the Fourth Proportional to 720,189,902.30, 1,080,284,866.40 and 174,927,762.14

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Solution

The fourth proportional to 720,189,902.30, 1,080,284,866.40 and 174,927,762.14 is: 262,391,646.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,189,902.30 : 1,080,284,866.40 = 174,927,762.14 : x
  2. Step 2: Convert to fraction form
    720,189,902.30/1,080,284,866.40 = 174,927,762.14/x
  3. Step 3: Cross multiply
    720,189,902.30x = 1,080,284,866.40 × 174,927,762.14
  4. Step 4: Simplify right side
    720,189,902.30x = 188,971,814,148,096,736
  5. Step 5: Solve for x
    x = 188,971,814,148,096,736/720,189,902.30
  6. Step 6: Final answer
    x = 262,391,646.35

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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.