Home / 443,962,400.80-665,943,601.20-137,285,514.40

Finding the Fourth Proportional to 443,962,400.80, 665,943,601.20 and 137,285,514.40

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Solution

The fourth proportional to 443,962,400.80, 665,943,601.20 and 137,285,514.40 is: 205,928,271.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,962,400.80 : 665,943,601.20 = 137,285,514.40 : x
  2. Step 2: Convert to fraction form
    443,962,400.80/665,943,601.20 = 137,285,514.40/x
  3. Step 3: Cross multiply
    443,962,400.80x = 665,943,601.20 × 137,285,514.40
  4. Step 4: Simplify right side
    443,962,400.80x = 91,424,409,852,130,464
  5. Step 5: Solve for x
    x = 91,424,409,852,130,464/443,962,400.80
  6. Step 6: Final answer
    x = 205,928,271.60

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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.