Home / 363,426,014.60-545,139,021.90-218,307,192.20

Finding the Fourth Proportional to 363,426,014.60, 545,139,021.90 and 218,307,192.20

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Solution

The fourth proportional to 363,426,014.60, 545,139,021.90 and 218,307,192.20 is: 327,460,788.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,426,014.60 : 545,139,021.90 = 218,307,192.20 : x
  2. Step 2: Convert to fraction form
    363,426,014.60/545,139,021.90 = 218,307,192.20/x
  3. Step 3: Cross multiply
    363,426,014.60x = 545,139,021.90 × 218,307,192.20
  4. Step 4: Simplify right side
    363,426,014.60x = 119,007,769,229,643,296
  5. Step 5: Solve for x
    x = 119,007,769,229,643,296/363,426,014.60
  6. Step 6: Final answer
    x = 327,460,788.30

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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.