Home / 51,789,604,636.25-71,468,893,792.23-28,927,075,989.91

Finding the Fourth Proportional to 51,789,604,636.25, 71,468,893,792.23 and 28,927,075,989.91

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Solution

The fourth proportional to 51,789,604,636.25, 71,468,893,792.23 and 28,927,075,989.91 is: 39,918,940,029.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,789,604,636.25 : 71,468,893,792.23 = 28,927,075,989.91 : x
  2. Step 2: Convert to fraction form
    51,789,604,636.25/71,468,893,792.23 = 28,927,075,989.91/x
  3. Step 3: Cross multiply
    51,789,604,636.25x = 71,468,893,792.23 × 28,927,075,989.91
  4. Step 4: Simplify right side
    51,789,604,636.25x = 2,067,386,121,642,644,078,592
  5. Step 5: Solve for x
    x = 2,067,386,121,642,644,078,592/51,789,604,636.25
  6. Step 6: Final answer
    x = 39,918,940,029.82

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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.