Home / 593,586,012.80-890,379,019.20-438,617,817.20

Finding the Fourth Proportional to 593,586,012.80, 890,379,019.20 and 438,617,817.20

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Solution

The fourth proportional to 593,586,012.80, 890,379,019.20 and 438,617,817.20 is: 657,926,725.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,586,012.80 : 890,379,019.20 = 438,617,817.20 : x
  2. Step 2: Convert to fraction form
    593,586,012.80/890,379,019.20 = 438,617,817.20/x
  3. Step 3: Cross multiply
    593,586,012.80x = 890,379,019.20 × 438,617,817.20
  4. Step 4: Simplify right side
    593,586,012.80x = 390,536,101,882,180,928
  5. Step 5: Solve for x
    x = 390,536,101,882,180,928/593,586,012.80
  6. Step 6: Final answer
    x = 657,926,725.80

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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.