Home / 405,087,253.40-607,647,468.90-117,872,917.40

Finding the Fourth Proportional to 405,087,253.40, 607,647,468.90 and 117,872,917.40

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Solution

The fourth proportional to 405,087,253.40, 607,647,468.90 and 117,872,917.40 is: 176,814,203.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,087,253.40 : 607,647,468.90 = 117,872,917.40 : x
  2. Step 2: Convert to fraction form
    405,087,253.40/607,647,468.90 = 117,872,917.40/x
  3. Step 3: Cross multiply
    405,087,253.40x = 607,647,468.90 × 117,872,917.40
  4. Step 4: Simplify right side
    405,087,253.40x = 71,625,179,909,968,768
  5. Step 5: Solve for x
    x = 71,625,179,909,968,768/405,087,253.40
  6. Step 6: Final answer
    x = 176,814,203.13

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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.