Home / 930,059,729.65-1,394,605,180.41-438,641,053.12

Finding the Fourth Proportional to 930,059,729.65, 1,394,605,180.41 and 438,641,053.12

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Solution

The fourth proportional to 930,059,729.65, 1,394,605,180.41 and 438,641,053.12 is: 657,733,117.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,059,729.65 : 1,394,605,180.41 = 438,641,053.12 : x
  2. Step 2: Convert to fraction form
    930,059,729.65/1,394,605,180.41 = 438,641,053.12/x
  3. Step 3: Cross multiply
    930,059,729.65x = 1,394,605,180.41 × 438,641,053.12
  4. Step 4: Simplify right side
    930,059,729.65x = 611,731,085,021,650,048
  5. Step 5: Solve for x
    x = 611,731,085,021,650,048/930,059,729.65
  6. Step 6: Final answer
    x = 657,733,117.05

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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.