Home / 351,734,816,395.84-525,233,636,872.96-287,250,426,534.80

Finding the Fourth Proportional to 351,734,816,395.84, 525,233,636,872.96 and 287,250,426,534.80

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Solution

The fourth proportional to 351,734,816,395.84, 525,233,636,872.96 and 287,250,426,534.80 is: 428,941,290,965.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,734,816,395.84 : 525,233,636,872.96 = 287,250,426,534.80 : x
  2. Step 2: Convert to fraction form
    351,734,816,395.84/525,233,636,872.96 = 287,250,426,534.80/x
  3. Step 3: Cross multiply
    351,734,816,395.84x = 525,233,636,872.96 × 287,250,426,534.80
  4. Step 4: Simplify right side
    351,734,816,395.84x = 150,873,586,222,182,011,240,448
  5. Step 5: Solve for x
    x = 150,873,586,222,182,011,240,448/351,734,816,395.84
  6. Step 6: Final answer
    x = 428,941,290,965.04

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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.