Home / 683,513,765.16-943,253,524.89-370,247,979.12

Finding the Fourth Proportional to 683,513,765.16, 943,253,524.89 and 370,247,979.12

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Solution

The fourth proportional to 683,513,765.16, 943,253,524.89 and 370,247,979.12 is: 510,944,664.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,513,765.16 : 943,253,524.89 = 370,247,979.12 : x
  2. Step 2: Convert to fraction form
    683,513,765.16/943,253,524.89 = 370,247,979.12/x
  3. Step 3: Cross multiply
    683,513,765.16x = 943,253,524.89 × 370,247,979.12
  4. Step 4: Simplify right side
    683,513,765.16x = 349,237,711,388,339,136
  5. Step 5: Solve for x
    x = 349,237,711,388,339,136/683,513,765.16
  6. Step 6: Final answer
    x = 510,944,664.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.