Home / 351,734,816,396.84-525,233,636,874.45-287,250,426,535.80

Finding the Fourth Proportional to 351,734,816,396.84, 525,233,636,874.45 and 287,250,426,535.80

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Solution

The fourth proportional to 351,734,816,396.84, 525,233,636,874.45 and 287,250,426,535.80 is: 428,941,290,966.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,734,816,396.84 : 525,233,636,874.45 = 287,250,426,535.80 : x
  2. Step 2: Convert to fraction form
    351,734,816,396.84/525,233,636,874.45 = 287,250,426,535.80/x
  3. Step 3: Cross multiply
    351,734,816,396.84x = 525,233,636,874.45 × 287,250,426,535.80
  4. Step 4: Simplify right side
    351,734,816,396.84x = 150,873,586,223,135,259,099,136
  5. Step 5: Solve for x
    x = 150,873,586,223,135,259,099,136/351,734,816,396.84
  6. Step 6: Final answer
    x = 428,941,290,966.53

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.