Home / 740,923,716.92-1,111,487,776.22-430,177,677.80

Finding the Fourth Proportional to 740,923,716.92, 1,111,487,776.22 and 430,177,677.80

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Solution

The fourth proportional to 740,923,716.92, 1,111,487,776.22 and 430,177,677.80 is: 645,325,854.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,923,716.92 : 1,111,487,776.22 = 430,177,677.80 : x
  2. Step 2: Convert to fraction form
    740,923,716.92/1,111,487,776.22 = 430,177,677.80/x
  3. Step 3: Cross multiply
    740,923,716.92x = 1,111,487,776.22 × 430,177,677.80
  4. Step 4: Simplify right side
    740,923,716.92x = 478,137,230,477,405,696
  5. Step 5: Solve for x
    x = 478,137,230,477,405,696/740,923,716.92
  6. Step 6: Final answer
    x = 645,325,854.14

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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.