Home / 383,788,952.79-574,168,727.61-290,684,129.42

Finding the Fourth Proportional to 383,788,952.79, 574,168,727.61 and 290,684,129.42

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Solution

The fourth proportional to 383,788,952.79, 574,168,727.61 and 290,684,129.42 is: 434,878,949.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,788,952.79 : 574,168,727.61 = 290,684,129.42 : x
  2. Step 2: Convert to fraction form
    383,788,952.79/574,168,727.61 = 290,684,129.42/x
  3. Step 3: Cross multiply
    383,788,952.79x = 574,168,727.61 × 290,684,129.42
  4. Step 4: Simplify right side
    383,788,952.79x = 166,901,736,722,631,136
  5. Step 5: Solve for x
    x = 166,901,736,722,631,136/383,788,952.79
  6. Step 6: Final answer
    x = 434,878,949.77

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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.