Home / 696,403,452.78-961,036,732.36-383,130,940.70

Finding the Fourth Proportional to 696,403,452.78, 961,036,732.36 and 383,130,940.70

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Solution

The fourth proportional to 696,403,452.78, 961,036,732.36 and 383,130,940.70 is: 528,720,680.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,403,452.78 : 961,036,732.36 = 383,130,940.70 : x
  2. Step 2: Convert to fraction form
    696,403,452.78/961,036,732.36 = 383,130,940.70/x
  3. Step 3: Cross multiply
    696,403,452.78x = 961,036,732.36 × 383,130,940.70
  4. Step 4: Simplify right side
    696,403,452.78x = 368,202,907,316,340,928
  5. Step 5: Solve for x
    x = 368,202,907,316,340,928/696,403,452.78
  6. Step 6: Final answer
    x = 528,720,680.30

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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.