Home / 681,216,961,520.55-1,021,825,442,280.80-681,216,961,520.55

Finding the Fourth Proportional to 681,216,961,520.55, 1,021,825,442,280.80 and 681,216,961,520.55

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Solution

The fourth proportional to 681,216,961,520.55, 1,021,825,442,280.80 and 681,216,961,520.55 is: 1,021,825,442,280.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,216,961,520.55 : 1,021,825,442,280.80 = 681,216,961,520.55 : x
  2. Step 2: Convert to fraction form
    681,216,961,520.55/1,021,825,442,280.80 = 681,216,961,520.55/x
  3. Step 3: Cross multiply
    681,216,961,520.55x = 1,021,825,442,280.80 × 681,216,961,520.55
  4. Step 4: Simplify right side
    681,216,961,520.55x = 696,084,822,994,918,752,387,072
  5. Step 5: Solve for x
    x = 696,084,822,994,918,752,387,072/681,216,961,520.55
  6. Step 6: Final answer
    x = 1,021,825,442,280.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.