Home / 478,071,196.91-659,740,868.85-277,247,140.20

Finding the Fourth Proportional to 478,071,196.91, 659,740,868.85 and 277,247,140.20

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Solution

The fourth proportional to 478,071,196.91, 659,740,868.85 and 277,247,140.20 is: 382,602,571.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,071,196.91 : 659,740,868.85 = 277,247,140.20 : x
  2. Step 2: Convert to fraction form
    478,071,196.91/659,740,868.85 = 277,247,140.20/x
  3. Step 3: Cross multiply
    478,071,196.91x = 659,740,868.85 × 277,247,140.20
  4. Step 4: Simplify right side
    478,071,196.91x = 182,911,269,161,725,760
  5. Step 5: Solve for x
    x = 182,911,269,161,725,760/478,071,196.91
  6. Step 6: Final answer
    x = 382,602,571.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.