Home / 1,411,289,076.55-1,947,822,699.41-816,901,288.92

Finding the Fourth Proportional to 1,411,289,076.55, 1,947,822,699.41 and 816,901,288.92

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Solution

The fourth proportional to 1,411,289,076.55, 1,947,822,699.41 and 816,901,288.92 is: 1,127,464,883.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,289,076.55 : 1,947,822,699.41 = 816,901,288.92 : x
  2. Step 2: Convert to fraction form
    1,411,289,076.55/1,947,822,699.41 = 816,901,288.92/x
  3. Step 3: Cross multiply
    1,411,289,076.55x = 1,947,822,699.41 × 816,901,288.92
  4. Step 4: Simplify right side
    1,411,289,076.55x = 1,591,178,873,735,662,592
  5. Step 5: Solve for x
    x = 1,591,178,873,735,662,592/1,411,289,076.55
  6. Step 6: Final answer
    x = 1,127,464,883.12

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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.