Home / 385,846,355.80-578,769,533.70-333,890,234.20

Finding the Fourth Proportional to 385,846,355.80, 578,769,533.70 and 333,890,234.20

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Solution

The fourth proportional to 385,846,355.80, 578,769,533.70 and 333,890,234.20 is: 500,835,351.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,846,355.80 : 578,769,533.70 = 333,890,234.20 : x
  2. Step 2: Convert to fraction form
    385,846,355.80/578,769,533.70 = 333,890,234.20/x
  3. Step 3: Cross multiply
    385,846,355.80x = 578,769,533.70 × 333,890,234.20
  4. Step 4: Simplify right side
    385,846,355.80x = 193,245,495,154,917,792
  5. Step 5: Solve for x
    x = 193,245,495,154,917,792/385,846,355.80
  6. Step 6: Final answer
    x = 500,835,351.30

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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.