Home / 401,918,550.30-602,877,825.45-129,289,317.30

Finding the Fourth Proportional to 401,918,550.30, 602,877,825.45 and 129,289,317.30

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Solution

The fourth proportional to 401,918,550.30, 602,877,825.45 and 129,289,317.30 is: 193,933,975.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,918,550.30 : 602,877,825.45 = 129,289,317.30 : x
  2. Step 2: Convert to fraction form
    401,918,550.30/602,877,825.45 = 129,289,317.30/x
  3. Step 3: Cross multiply
    401,918,550.30x = 602,877,825.45 × 129,289,317.30
  4. Step 4: Simplify right side
    401,918,550.30x = 77,945,662,467,739,072
  5. Step 5: Solve for x
    x = 77,945,662,467,739,072/401,918,550.30
  6. Step 6: Final answer
    x = 193,933,975.95

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1.5x scale

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.