Home / 448,405,255.80-672,041,013.30-399,654,401.40

Finding the Fourth Proportional to 448,405,255.80, 672,041,013.30 and 399,654,401.40

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Solution

The fourth proportional to 448,405,255.80, 672,041,013.30 and 399,654,401.40 is: 598,976,362.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,405,255.80 : 672,041,013.30 = 399,654,401.40 : x
  2. Step 2: Convert to fraction form
    448,405,255.80/672,041,013.30 = 399,654,401.40/x
  3. Step 3: Cross multiply
    448,405,255.80x = 672,041,013.30 × 399,654,401.40
  4. Step 4: Simplify right side
    448,405,255.80x = 268,584,148,886,660,896
  5. Step 5: Solve for x
    x = 268,584,148,886,660,896/448,405,255.80
  6. Step 6: Final answer
    x = 598,976,362.15

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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.