Home / 448,141,027.40-672,211,541.10-407,964,087.80

Finding the Fourth Proportional to 448,141,027.40, 672,211,541.10 and 407,964,087.80

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Solution

The fourth proportional to 448,141,027.40, 672,211,541.10 and 407,964,087.80 is: 611,946,131.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,141,027.40 : 672,211,541.10 = 407,964,087.80 : x
  2. Step 2: Convert to fraction form
    448,141,027.40/672,211,541.10 = 407,964,087.80/x
  3. Step 3: Cross multiply
    448,141,027.40x = 672,211,541.10 × 407,964,087.80
  4. Step 4: Simplify right side
    448,141,027.40x = 274,238,168,173,493,728
  5. Step 5: Solve for x
    x = 274,238,168,173,493,728/448,141,027.40
  6. Step 6: Final answer
    x = 611,946,131.70

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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.