Home / 690,965,010.28-1,036,447,515.47-230,903,179.59

Finding the Fourth Proportional to 690,965,010.28, 1,036,447,515.47 and 230,903,179.59

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Solution

The fourth proportional to 690,965,010.28, 1,036,447,515.47 and 230,903,179.59 is: 346,354,769.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,965,010.28 : 1,036,447,515.47 = 230,903,179.59 : x
  2. Step 2: Convert to fraction form
    690,965,010.28/1,036,447,515.47 = 230,903,179.59/x
  3. Step 3: Cross multiply
    690,965,010.28x = 1,036,447,515.47 × 230,903,179.59
  4. Step 4: Simplify right side
    690,965,010.28x = 239,319,026,804,642,656
  5. Step 5: Solve for x
    x = 239,319,026,804,642,656/690,965,010.28
  6. Step 6: Final answer
    x = 346,354,769.41

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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.