Home / 907,848,007.20-1,361,772,010.80-826,059,237.30

Finding the Fourth Proportional to 907,848,007.20, 1,361,772,010.80 and 826,059,237.30

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Solution

The fourth proportional to 907,848,007.20, 1,361,772,010.80 and 826,059,237.30 is: 1,239,088,855.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,848,007.20 : 1,361,772,010.80 = 826,059,237.30 : x
  2. Step 2: Convert to fraction form
    907,848,007.20/1,361,772,010.80 = 826,059,237.30/x
  3. Step 3: Cross multiply
    907,848,007.20x = 1,361,772,010.80 × 826,059,237.30
  4. Step 4: Simplify right side
    907,848,007.20x = 1,124,904,348,617,935,232
  5. Step 5: Solve for x
    x = 1,124,904,348,617,935,232/907,848,007.20
  6. Step 6: Final answer
    x = 1,239,088,855.95

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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.