Home / 402,963,918.30-604,595,176.65-388,033,998.30

Finding the Fourth Proportional to 402,963,918.30, 604,595,176.65 and 388,033,998.30

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Solution

The fourth proportional to 402,963,918.30, 604,595,176.65 and 388,033,998.30 is: 582,194,765.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,963,918.30 : 604,595,176.65 = 388,033,998.30 : x
  2. Step 2: Convert to fraction form
    402,963,918.30/604,595,176.65 = 388,033,998.30/x
  3. Step 3: Cross multiply
    402,963,918.30x = 604,595,176.65 × 388,033,998.30
  4. Step 4: Simplify right side
    402,963,918.30x = 234,603,483,748,394,304
  5. Step 5: Solve for x
    x = 234,603,483,748,394,304/402,963,918.30
  6. Step 6: Final answer
    x = 582,194,765.08

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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.