Home / 670,332,243.32-925,043,989.26-388,086,585.02

Finding the Fourth Proportional to 670,332,243.32, 925,043,989.26 and 388,086,585.02

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Solution

The fourth proportional to 670,332,243.32, 925,043,989.26 and 388,086,585.02 is: 535,551,088.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,332,243.32 : 925,043,989.26 = 388,086,585.02 : x
  2. Step 2: Convert to fraction form
    670,332,243.32/925,043,989.26 = 388,086,585.02/x
  3. Step 3: Cross multiply
    670,332,243.32x = 925,043,989.26 × 388,086,585.02
  4. Step 4: Simplify right side
    670,332,243.32x = 358,997,162,785,190,912
  5. Step 5: Solve for x
    x = 358,997,162,785,190,912/670,332,243.32
  6. Step 6: Final answer
    x = 535,551,088.83

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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.