Home / 749,949,771.86-1,124,921,444.94-189,716,903.90

Finding the Fourth Proportional to 749,949,771.86, 1,124,921,444.94 and 189,716,903.90

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Solution

The fourth proportional to 749,949,771.86, 1,124,921,444.94 and 189,716,903.90 is: 284,574,543.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,949,771.86 : 1,124,921,444.94 = 189,716,903.90 : x
  2. Step 2: Convert to fraction form
    749,949,771.86/1,124,921,444.94 = 189,716,903.90/x
  3. Step 3: Cross multiply
    749,949,771.86x = 1,124,921,444.94 × 189,716,903.90
  4. Step 4: Simplify right side
    749,949,771.86x = 213,416,613,664,731,136
  5. Step 5: Solve for x
    x = 213,416,613,664,731,136/749,949,771.86
  6. Step 6: Final answer
    x = 284,574,543.09

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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.