Home / 472,094,856.20-708,590,181.90-290,696,328.20

Finding the Fourth Proportional to 472,094,856.20, 708,590,181.90 and 290,696,328.20

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Solution

The fourth proportional to 472,094,856.20, 708,590,181.90 and 290,696,328.20 is: 436,320,288.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,094,856.20 : 708,590,181.90 = 290,696,328.20 : x
  2. Step 2: Convert to fraction form
    472,094,856.20/708,590,181.90 = 290,696,328.20/x
  3. Step 3: Cross multiply
    472,094,856.20x = 708,590,181.90 × 290,696,328.20
  4. Step 4: Simplify right side
    472,094,856.20x = 205,984,564,076,900,096
  5. Step 5: Solve for x
    x = 205,984,564,076,900,096/472,094,856.20
  6. Step 6: Final answer
    x = 436,320,288.97

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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.