Home / 442,868,407.80-664,302,611.70-328,077,151.80

Finding the Fourth Proportional to 442,868,407.80, 664,302,611.70 and 328,077,151.80

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Solution

The fourth proportional to 442,868,407.80, 664,302,611.70 and 328,077,151.80 is: 492,115,727.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,868,407.80 : 664,302,611.70 = 328,077,151.80 : x
  2. Step 2: Convert to fraction form
    442,868,407.80/664,302,611.70 = 328,077,151.80/x
  3. Step 3: Cross multiply
    442,868,407.80x = 664,302,611.70 × 328,077,151.80
  4. Step 4: Simplify right side
    442,868,407.80x = 217,942,508,779,837,376
  5. Step 5: Solve for x
    x = 217,942,508,779,837,376/442,868,407.80
  6. Step 6: Final answer
    x = 492,115,727.70

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.