Home / 393,477,151.32-590,419,994.81-160,478,802.09

Finding the Fourth Proportional to 393,477,151.32, 590,419,994.81 and 160,478,802.09

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Solution

The fourth proportional to 393,477,151.32, 590,419,994.81 and 160,478,802.09 is: 240,801,513.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,477,151.32 : 590,419,994.81 = 160,478,802.09 : x
  2. Step 2: Convert to fraction form
    393,477,151.32/590,419,994.81 = 160,478,802.09/x
  3. Step 3: Cross multiply
    393,477,151.32x = 590,419,994.81 × 160,478,802.09
  4. Step 4: Simplify right side
    393,477,151.32x = 94,749,893,496,290,416
  5. Step 5: Solve for x
    x = 94,749,893,496,290,416/393,477,151.32
  6. Step 6: Final answer
    x = 240,801,513.32

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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.