Home / 1,178,028,853.88-1,625,691,029.86-649,411,799.40

Finding the Fourth Proportional to 1,178,028,853.88, 1,625,691,029.86 and 649,411,799.40

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Solution

The fourth proportional to 1,178,028,853.88, 1,625,691,029.86 and 649,411,799.40 is: 896,194,463.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,028,853.88 : 1,625,691,029.86 = 649,411,799.40 : x
  2. Step 2: Convert to fraction form
    1,178,028,853.88/1,625,691,029.86 = 649,411,799.40/x
  3. Step 3: Cross multiply
    1,178,028,853.88x = 1,625,691,029.86 × 649,411,799.40
  4. Step 4: Simplify right side
    1,178,028,853.88x = 1,055,742,936,969,821,568
  5. Step 5: Solve for x
    x = 1,055,742,936,969,821,568/1,178,028,853.88
  6. Step 6: Final answer
    x = 896,194,463.74

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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.