Home / 949,211,957.37-1,423,850,226.78-450,965,331.15

Finding the Fourth Proportional to 949,211,957.37, 1,423,850,226.78 and 450,965,331.15

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Solution

The fourth proportional to 949,211,957.37, 1,423,850,226.78 and 450,965,331.15 is: 676,463,337.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,211,957.37 : 1,423,850,226.78 = 450,965,331.15 : x
  2. Step 2: Convert to fraction form
    949,211,957.37/1,423,850,226.78 = 450,965,331.15/x
  3. Step 3: Cross multiply
    949,211,957.37x = 1,423,850,226.78 × 450,965,331.15
  4. Step 4: Simplify right side
    949,211,957.37x = 642,107,089,027,845,248
  5. Step 5: Solve for x
    x = 642,107,089,027,845,248/949,211,957.37
  6. Step 6: Final answer
    x = 676,463,337.87

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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.