Home / 585,478,459.76-878,485,878-253,586,981.60

Finding the Fourth Proportional to 585,478,459.76, 878,485,878 and 253,586,981.60

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Solution

The fourth proportional to 585,478,459.76, 878,485,878 and 253,586,981.60 is: 380,496,632.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,478,459.76 : 878,485,878 = 253,586,981.60 : x
  2. Step 2: Convert to fraction form
    585,478,459.76/878,485,878 = 253,586,981.60/x
  3. Step 3: Cross multiply
    585,478,459.76x = 878,485,878 × 253,586,981.60
  4. Step 4: Simplify right side
    585,478,459.76x = 222,772,582,180,245,824
  5. Step 5: Solve for x
    x = 222,772,582,180,245,824/585,478,459.76
  6. Step 6: Final answer
    x = 380,496,632.23

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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.