Home / 5,147,142,312,761.20-7,103,378,977,148-2,834,887,928,080.40

Finding the Fourth Proportional to 5,147,142,312,761.20, 7,103,378,977,148 and 2,834,887,928,080.40

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Solution

The fourth proportional to 5,147,142,312,761.20, 7,103,378,977,148 and 2,834,887,928,080.40 is: 3,912,323,010,959.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,147,142,312,761.20 : 7,103,378,977,148 = 2,834,887,928,080.40 : x
  2. Step 2: Convert to fraction form
    5,147,142,312,761.20/7,103,378,977,148 = 2,834,887,928,080.40/x
  3. Step 3: Cross multiply
    5,147,142,312,761.20x = 7,103,378,977,148 × 2,834,887,928,080.40
  4. Step 4: Simplify right side
    5,147,142,312,761.20x = 20,137,283,310,896,963,997,663,232
  5. Step 5: Solve for x
    x = 20,137,283,310,896,963,997,663,232/5,147,142,312,761.20
  6. Step 6: Final answer
    x = 3,912,323,010,959.12

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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.