Home / 762,715,878.60-1,144,084,447.08-217,457,412.60

Finding the Fourth Proportional to 762,715,878.60, 1,144,084,447.08 and 217,457,412.60

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Solution

The fourth proportional to 762,715,878.60, 1,144,084,447.08 and 217,457,412.60 is: 326,189,149.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,715,878.60 : 1,144,084,447.08 = 217,457,412.60 : x
  2. Step 2: Convert to fraction form
    762,715,878.60/1,144,084,447.08 = 217,457,412.60/x
  3. Step 3: Cross multiply
    762,715,878.60x = 1,144,084,447.08 × 217,457,412.60
  4. Step 4: Simplify right side
    762,715,878.60x = 248,789,643,657,918,400
  5. Step 5: Solve for x
    x = 248,789,643,657,918,400/762,715,878.60
  6. Step 6: Final answer
    x = 326,189,149.38

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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.