Home / 357,343,790.15-493,053,632.64-216,211,500.38

Finding the Fourth Proportional to 357,343,790.15, 493,053,632.64 and 216,211,500.38

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Solution

The fourth proportional to 357,343,790.15, 493,053,632.64 and 216,211,500.38 is: 298,322,983.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,343,790.15 : 493,053,632.64 = 216,211,500.38 : x
  2. Step 2: Convert to fraction form
    357,343,790.15/493,053,632.64 = 216,211,500.38/x
  3. Step 3: Cross multiply
    357,343,790.15x = 493,053,632.64 × 216,211,500.38
  4. Step 4: Simplify right side
    357,343,790.15x = 106,603,865,682,136,368
  5. Step 5: Solve for x
    x = 106,603,865,682,136,368/357,343,790.15
  6. Step 6: Final answer
    x = 298,322,983.69

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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.