Home / 383,995,293.36-529,808,501.88-218,922,632.88

Finding the Fourth Proportional to 383,995,293.36, 529,808,501.88 and 218,922,632.88

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Solution

The fourth proportional to 383,995,293.36, 529,808,501.88 and 218,922,632.88 is: 302,053,369.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,995,293.36 : 529,808,501.88 = 218,922,632.88 : x
  2. Step 2: Convert to fraction form
    383,995,293.36/529,808,501.88 = 218,922,632.88/x
  3. Step 3: Cross multiply
    383,995,293.36x = 529,808,501.88 × 218,922,632.88
  4. Step 4: Simplify right side
    383,995,293.36x = 115,987,072,153,778,032
  5. Step 5: Solve for x
    x = 115,987,072,153,778,032/383,995,293.36
  6. Step 6: Final answer
    x = 302,053,369.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.