Home / 2,220,931,772.76-3,311,541,942.15-2,159,913,045.96

Finding the Fourth Proportional to 2,220,931,772.76, 3,311,541,942.15 and 2,159,913,045.96

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Solution

The fourth proportional to 2,220,931,772.76, 3,311,541,942.15 and 2,159,913,045.96 is: 3,220,559,375.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220,931,772.76 : 3,311,541,942.15 = 2,159,913,045.96 : x
  2. Step 2: Convert to fraction form
    2,220,931,772.76/3,311,541,942.15 = 2,159,913,045.96/x
  3. Step 3: Cross multiply
    2,220,931,772.76x = 3,311,541,942.15 × 2,159,913,045.96
  4. Step 4: Simplify right side
    2,220,931,772.76x = 7,152,642,643,093,500,928
  5. Step 5: Solve for x
    x = 7,152,642,643,093,500,928/2,220,931,772.76
  6. Step 6: Final answer
    x = 3,220,559,375.49

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.