Home / 448,112,923.40-672,169,385.10-413,675,546.60

Finding the Fourth Proportional to 448,112,923.40, 672,169,385.10 and 413,675,546.60

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Solution

The fourth proportional to 448,112,923.40, 672,169,385.10 and 413,675,546.60 is: 620,513,319.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,112,923.40 : 672,169,385.10 = 413,675,546.60 : x
  2. Step 2: Convert to fraction form
    448,112,923.40/672,169,385.10 = 413,675,546.60/x
  3. Step 3: Cross multiply
    448,112,923.40x = 672,169,385.10 × 413,675,546.60
  4. Step 4: Simplify right side
    448,112,923.40x = 278,060,037,789,028,416
  5. Step 5: Solve for x
    x = 278,060,037,789,028,416/448,112,923.40
  6. Step 6: Final answer
    x = 620,513,319.90

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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.