Home / 1,198,149,017.93-1,653,413,927.64-669,517,347.90

Finding the Fourth Proportional to 1,198,149,017.93, 1,653,413,927.64 and 669,517,347.90

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Solution

The fourth proportional to 1,198,149,017.93, 1,653,413,927.64 and 669,517,347.90 is: 923,916,216.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,149,017.93 : 1,653,413,927.64 = 669,517,347.90 : x
  2. Step 2: Convert to fraction form
    1,198,149,017.93/1,653,413,927.64 = 669,517,347.90/x
  3. Step 3: Cross multiply
    1,198,149,017.93x = 1,653,413,927.64 × 669,517,347.90
  4. Step 4: Simplify right side
    1,198,149,017.93x = 1,106,989,307,814,455,296
  5. Step 5: Solve for x
    x = 1,106,989,307,814,455,296/1,198,149,017.93
  6. Step 6: Final answer
    x = 923,916,216.81

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Double scale
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1.5x scale

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.