Home / 2,105,578,828.58-2,905,743,115.77-1,152,999,572.90

Finding the Fourth Proportional to 2,105,578,828.58, 2,905,743,115.77 and 1,152,999,572.90

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Solution

The fourth proportional to 2,105,578,828.58, 2,905,743,115.77 and 1,152,999,572.90 is: 1,591,163,686.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,105,578,828.58 : 2,905,743,115.77 = 1,152,999,572.90 : x
  2. Step 2: Convert to fraction form
    2,105,578,828.58/2,905,743,115.77 = 1,152,999,572.90/x
  3. Step 3: Cross multiply
    2,105,578,828.58x = 2,905,743,115.77 × 1,152,999,572.90
  4. Step 4: Simplify right side
    2,105,578,828.58x = 3,350,320,571,439,925,760
  5. Step 5: Solve for x
    x = 3,350,320,571,439,925,760/2,105,578,828.58
  6. Step 6: Final answer
    x = 1,591,163,686.66

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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.