Home / 272,099,736,259.20-408,149,604,388.80-115,065,298,051.20

Finding the Fourth Proportional to 272,099,736,259.20, 408,149,604,388.80 and 115,065,298,051.20

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Solution

The fourth proportional to 272,099,736,259.20, 408,149,604,388.80 and 115,065,298,051.20 is: 172,597,947,076.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,099,736,259.20 : 408,149,604,388.80 = 115,065,298,051.20 : x
  2. Step 2: Convert to fraction form
    272,099,736,259.20/408,149,604,388.80 = 115,065,298,051.20/x
  3. Step 3: Cross multiply
    272,099,736,259.20x = 408,149,604,388.80 × 115,065,298,051.20
  4. Step 4: Simplify right side
    272,099,736,259.20x = 46,963,855,878,476,640,813,056
  5. Step 5: Solve for x
    x = 46,963,855,878,476,640,813,056/272,099,736,259.20
  6. Step 6: Final answer
    x = 172,597,947,076.80

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Double scale
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1.5x scale

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.