Home / 2,105,578,829.58-2,905,743,117.15-1,152,999,573.90

Finding the Fourth Proportional to 2,105,578,829.58, 2,905,743,117.15 and 1,152,999,573.90

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Solution

The fourth proportional to 2,105,578,829.58, 2,905,743,117.15 and 1,152,999,573.90 is: 1,591,163,688.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,105,578,829.58 : 2,905,743,117.15 = 1,152,999,573.90 : x
  2. Step 2: Convert to fraction form
    2,105,578,829.58/2,905,743,117.15 = 1,152,999,573.90/x
  3. Step 3: Cross multiply
    2,105,578,829.58x = 2,905,743,117.15 × 1,152,999,573.90
  4. Step 4: Simplify right side
    2,105,578,829.58x = 3,350,320,575,936,807,936
  5. Step 5: Solve for x
    x = 3,350,320,575,936,807,936/2,105,578,829.58
  6. Step 6: Final answer
    x = 1,591,163,688.04

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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.