Home / 478,305,977.40-717,458,966.10-362,664,415.80

Finding the Fourth Proportional to 478,305,977.40, 717,458,966.10 and 362,664,415.80

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Solution

The fourth proportional to 478,305,977.40, 717,458,966.10 and 362,664,415.80 is: 543,996,623.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,305,977.40 : 717,458,966.10 = 362,664,415.80 : x
  2. Step 2: Convert to fraction form
    478,305,977.40/717,458,966.10 = 362,664,415.80/x
  3. Step 3: Cross multiply
    478,305,977.40x = 717,458,966.10 × 362,664,415.80
  4. Step 4: Simplify right side
    478,305,977.40x = 260,196,836,801,128,512
  5. Step 5: Solve for x
    x = 260,196,836,801,128,512/478,305,977.40
  6. Step 6: Final answer
    x = 543,996,623.70

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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.