Home / 868,045,336.80-1,302,068,005.20-322,674,021.60

Finding the Fourth Proportional to 868,045,336.80, 1,302,068,005.20 and 322,674,021.60

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Solution

The fourth proportional to 868,045,336.80, 1,302,068,005.20 and 322,674,021.60 is: 484,011,032.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,045,336.80 : 1,302,068,005.20 = 322,674,021.60 : x
  2. Step 2: Convert to fraction form
    868,045,336.80/1,302,068,005.20 = 322,674,021.60/x
  3. Step 3: Cross multiply
    868,045,336.80x = 1,302,068,005.20 × 322,674,021.60
  4. Step 4: Simplify right side
    868,045,336.80x = 420,143,519,634,573,760
  5. Step 5: Solve for x
    x = 420,143,519,634,573,760/868,045,336.80
  6. Step 6: Final answer
    x = 484,011,032.40

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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.