Home / 2,921,920,881.37-4,032,142,790.23-1,583,782,240.88

Finding the Fourth Proportional to 2,921,920,881.37, 4,032,142,790.23 and 1,583,782,240.88

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Solution

The fourth proportional to 2,921,920,881.37, 4,032,142,790.23 and 1,583,782,240.88 is: 2,185,560,938.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921,920,881.37 : 4,032,142,790.23 = 1,583,782,240.88 : x
  2. Step 2: Convert to fraction form
    2,921,920,881.37/4,032,142,790.23 = 1,583,782,240.88/x
  3. Step 3: Cross multiply
    2,921,920,881.37x = 4,032,142,790.23 × 1,583,782,240.88
  4. Step 4: Simplify right side
    2,921,920,881.37x = 6,386,036,143,870,743,552
  5. Step 5: Solve for x
    x = 6,386,036,143,870,743,552/2,921,920,881.37
  6. Step 6: Final answer
    x = 2,185,560,938.56

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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.