Home / 670,332,239.31-925,043,983.74-388,086,581.01

Finding the Fourth Proportional to 670,332,239.31, 925,043,983.74 and 388,086,581.01

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Solution

The fourth proportional to 670,332,239.31, 925,043,983.74 and 388,086,581.01 is: 535,551,083.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,332,239.31 : 925,043,983.74 = 388,086,581.01 : x
  2. Step 2: Convert to fraction form
    670,332,239.31/925,043,983.74 = 388,086,581.01/x
  3. Step 3: Cross multiply
    670,332,239.31x = 925,043,983.74 × 388,086,581.01
  4. Step 4: Simplify right side
    670,332,239.31x = 358,997,156,933,526,656
  5. Step 5: Solve for x
    x = 358,997,156,933,526,656/670,332,239.31
  6. Step 6: Final answer
    x = 535,551,083.30

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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.