Home / 2,420,360,864.09-3,340,009,809.76-1,348,608,818.55

Finding the Fourth Proportional to 2,420,360,864.09, 3,340,009,809.76 and 1,348,608,818.55

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Solution

The fourth proportional to 2,420,360,864.09, 3,340,009,809.76 and 1,348,608,818.55 is: 1,861,031,034.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,420,360,864.09 : 3,340,009,809.76 = 1,348,608,818.55 : x
  2. Step 2: Convert to fraction form
    2,420,360,864.09/3,340,009,809.76 = 1,348,608,818.55/x
  3. Step 3: Cross multiply
    2,420,360,864.09x = 3,340,009,809.76 × 1,348,608,818.55
  4. Step 4: Simplify right side
    2,420,360,864.09x = 4,504,366,683,497,726,976
  5. Step 5: Solve for x
    x = 4,504,366,683,497,726,976/2,420,360,864.09
  6. Step 6: Final answer
    x = 1,861,031,034.81

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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.