Home / 1,520,243,074.97-2,097,957,100.44-876,486,273

Finding the Fourth Proportional to 1,520,243,074.97, 2,097,957,100.44 and 876,486,273

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Solution

The fourth proportional to 1,520,243,074.97, 2,097,957,100.44 and 876,486,273 is: 1,209,563,542.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,243,074.97 : 2,097,957,100.44 = 876,486,273 : x
  2. Step 2: Convert to fraction form
    1,520,243,074.97/2,097,957,100.44 = 876,486,273/x
  3. Step 3: Cross multiply
    1,520,243,074.97x = 2,097,957,100.44 × 876,486,273
  4. Step 4: Simplify right side
    1,520,243,074.97x = 1,838,830,599,878,542,336
  5. Step 5: Solve for x
    x = 1,838,830,599,878,542,336/1,520,243,074.97
  6. Step 6: Final answer
    x = 1,209,563,542.93

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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.