Home / 501,340,199.58-751,120,626.96-209,564,131.50

Finding the Fourth Proportional to 501,340,199.58, 751,120,626.96 and 209,564,131.50

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Solution

The fourth proportional to 501,340,199.58, 751,120,626.96 and 209,564,131.50 is: 313,974,307.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,340,199.58 : 751,120,626.96 = 209,564,131.50 : x
  2. Step 2: Convert to fraction form
    501,340,199.58/751,120,626.96 = 209,564,131.50/x
  3. Step 3: Cross multiply
    501,340,199.58x = 751,120,626.96 × 209,564,131.50
  4. Step 4: Simplify right side
    501,340,199.58x = 157,407,941,840,607,904
  5. Step 5: Solve for x
    x = 157,407,941,840,607,904/501,340,199.58
  6. Step 6: Final answer
    x = 313,974,307.21

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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.