Home / 385,287,181.20-578,874,490.20-289,735,693.20

Finding the Fourth Proportional to 385,287,181.20, 578,874,490.20 and 289,735,693.20

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Solution

The fourth proportional to 385,287,181.20, 578,874,490.20 and 289,735,693.20 is: 435,313,215.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,287,181.20 : 578,874,490.20 = 289,735,693.20 : x
  2. Step 2: Convert to fraction form
    385,287,181.20/578,874,490.20 = 289,735,693.20/x
  3. Step 3: Cross multiply
    385,287,181.20x = 578,874,490.20 × 289,735,693.20
  4. Step 4: Simplify right side
    385,287,181.20x = 167,720,601,693,893,600
  5. Step 5: Solve for x
    x = 167,720,601,693,893,600/385,287,181.20
  6. Step 6: Final answer
    x = 435,313,215.38

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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.