Home / 6,278,913,844.47-9,419,749,845.91-1,856,988,526.55

Finding the Fourth Proportional to 6,278,913,844.47, 9,419,749,845.91 and 1,856,988,526.55

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Solution

The fourth proportional to 6,278,913,844.47, 9,419,749,845.91 and 1,856,988,526.55 is: 2,785,890,652.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,278,913,844.47 : 9,419,749,845.91 = 1,856,988,526.55 : x
  2. Step 2: Convert to fraction form
    6,278,913,844.47/9,419,749,845.91 = 1,856,988,526.55/x
  3. Step 3: Cross multiply
    6,278,913,844.47x = 9,419,749,845.91 × 1,856,988,526.55
  4. Step 4: Simplify right side
    6,278,913,844.47x = 17,492,367,386,774,257,664
  5. Step 5: Solve for x
    x = 17,492,367,386,774,257,664/6,278,913,844.47
  6. Step 6: Final answer
    x = 2,785,890,652.44

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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.