Home / 405,087,231.40-607,647,435.90-117,872,895.40

Finding the Fourth Proportional to 405,087,231.40, 607,647,435.90 and 117,872,895.40

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Solution

The fourth proportional to 405,087,231.40, 607,647,435.90 and 117,872,895.40 is: 176,814,170.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,087,231.40 : 607,647,435.90 = 117,872,895.40 : x
  2. Step 2: Convert to fraction form
    405,087,231.40/607,647,435.90 = 117,872,895.40/x
  3. Step 3: Cross multiply
    405,087,231.40x = 607,647,435.90 × 117,872,895.40
  4. Step 4: Simplify right side
    405,087,231.40x = 71,625,162,651,918,904
  5. Step 5: Solve for x
    x = 71,625,162,651,918,904/405,087,231.40
  6. Step 6: Final answer
    x = 176,814,170.13

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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.