Home / 762,715,904.60-1,144,084,486.08-217,457,438.60

Finding the Fourth Proportional to 762,715,904.60, 1,144,084,486.08 and 217,457,438.60

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Solution

The fourth proportional to 762,715,904.60, 1,144,084,486.08 and 217,457,438.60 is: 326,189,188.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,715,904.60 : 1,144,084,486.08 = 217,457,438.60 : x
  2. Step 2: Convert to fraction form
    762,715,904.60/1,144,084,486.08 = 217,457,438.60/x
  3. Step 3: Cross multiply
    762,715,904.60x = 1,144,084,486.08 × 217,457,438.60
  4. Step 4: Simplify right side
    762,715,904.60x = 248,789,681,884,954,144
  5. Step 5: Solve for x
    x = 248,789,681,884,954,144/762,715,904.60
  6. Step 6: Final answer
    x = 326,189,188.38

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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.