Home / 405,471,001.40-608,207,498.78-114,339,649.98

Finding the Fourth Proportional to 405,471,001.40, 608,207,498.78 and 114,339,649.98

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Solution

The fourth proportional to 405,471,001.40, 608,207,498.78 and 114,339,649.98 is: 171,509,756.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,471,001.40 : 608,207,498.78 = 114,339,649.98 : x
  2. Step 2: Convert to fraction form
    405,471,001.40/608,207,498.78 = 114,339,649.98/x
  3. Step 3: Cross multiply
    405,471,001.40x = 608,207,498.78 × 114,339,649.98
  4. Step 4: Simplify right side
    405,471,001.40x = 69,542,232,525,716,480
  5. Step 5: Solve for x
    x = 69,542,232,525,716,480/405,471,001.40
  6. Step 6: Final answer
    x = 171,509,756.03

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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.