Home / 386,724,175.20-579,235,957.20-335,705,839.20

Finding the Fourth Proportional to 386,724,175.20, 579,235,957.20 and 335,705,839.20

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Solution

The fourth proportional to 386,724,175.20, 579,235,957.20 and 335,705,839.20 is: 502,820,629.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,724,175.20 : 579,235,957.20 = 335,705,839.20 : x
  2. Step 2: Convert to fraction form
    386,724,175.20/579,235,957.20 = 335,705,839.20/x
  3. Step 3: Cross multiply
    386,724,175.20x = 579,235,957.20 × 335,705,839.20
  4. Step 4: Simplify right side
    386,724,175.20x = 194,452,893,106,641,280
  5. Step 5: Solve for x
    x = 194,452,893,106,641,280/386,724,175.20
  6. Step 6: Final answer
    x = 502,820,629.21

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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.