Home / 413,640,242.88-620,298,935.64-180,542,248.80

Finding the Fourth Proportional to 413,640,242.88, 620,298,935.64 and 180,542,248.80

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Solution

The fourth proportional to 413,640,242.88, 620,298,935.64 and 180,542,248.80 is: 270,742,914.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,640,242.88 : 620,298,935.64 = 180,542,248.80 : x
  2. Step 2: Convert to fraction form
    413,640,242.88/620,298,935.64 = 180,542,248.80/x
  3. Step 3: Cross multiply
    413,640,242.88x = 620,298,935.64 × 180,542,248.80
  4. Step 4: Simplify right side
    413,640,242.88x = 111,990,164,768,692,080
  5. Step 5: Solve for x
    x = 111,990,164,768,692,080/413,640,242.88
  6. Step 6: Final answer
    x = 270,742,914.15

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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.