Home / 406,838,908.80-610,258,363.20-269,089,401.60

Finding the Fourth Proportional to 406,838,908.80, 610,258,363.20 and 269,089,401.60

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Solution

The fourth proportional to 406,838,908.80, 610,258,363.20 and 269,089,401.60 is: 403,634,102.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,838,908.80 : 610,258,363.20 = 269,089,401.60 : x
  2. Step 2: Convert to fraction form
    406,838,908.80/610,258,363.20 = 269,089,401.60/x
  3. Step 3: Cross multiply
    406,838,908.80x = 610,258,363.20 × 269,089,401.60
  4. Step 4: Simplify right side
    406,838,908.80x = 164,214,057,774,883,488
  5. Step 5: Solve for x
    x = 164,214,057,774,883,488/406,838,908.80
  6. Step 6: Final answer
    x = 403,634,102.40

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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.