Home / 256,607,998.40-384,911,997.60-92,845,438.40

Finding the Fourth Proportional to 256,607,998.40, 384,911,997.60 and 92,845,438.40

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Solution

The fourth proportional to 256,607,998.40, 384,911,997.60 and 92,845,438.40 is: 139,268,157.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,607,998.40 : 384,911,997.60 = 92,845,438.40 : x
  2. Step 2: Convert to fraction form
    256,607,998.40/384,911,997.60 = 92,845,438.40/x
  3. Step 3: Cross multiply
    256,607,998.40x = 384,911,997.60 × 92,845,438.40
  4. Step 4: Simplify right side
    256,607,998.40x = 35,737,323,162,591,752
  5. Step 5: Solve for x
    x = 35,737,323,162,591,752/256,607,998.40
  6. Step 6: Final answer
    x = 139,268,157.60

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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.