Home / 930,059,712.88-1,394,605,155.31-438,641,036.37

Finding the Fourth Proportional to 930,059,712.88, 1,394,605,155.31 and 438,641,036.37

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Solution

The fourth proportional to 930,059,712.88, 1,394,605,155.31 and 438,641,036.37 is: 657,733,091.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,059,712.88 : 1,394,605,155.31 = 438,641,036.37 : x
  2. Step 2: Convert to fraction form
    930,059,712.88/1,394,605,155.31 = 438,641,036.37/x
  3. Step 3: Cross multiply
    930,059,712.88x = 1,394,605,155.31 × 438,641,036.37
  4. Step 4: Simplify right side
    930,059,712.88x = 611,731,050,651,026,560
  5. Step 5: Solve for x
    x = 611,731,050,651,026,560/930,059,712.88
  6. Step 6: Final answer
    x = 657,733,091.95

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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.