Home / 1,226,435,987.52-1,692,488,548.62-697,799,960.82

Finding the Fourth Proportional to 1,226,435,987.52, 1,692,488,548.62 and 697,799,960.82

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Solution

The fourth proportional to 1,226,435,987.52, 1,692,488,548.62 and 697,799,960.82 is: 962,967,863.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,435,987.52 : 1,692,488,548.62 = 697,799,960.82 : x
  2. Step 2: Convert to fraction form
    1,226,435,987.52/1,692,488,548.62 = 697,799,960.82/x
  3. Step 3: Cross multiply
    1,226,435,987.52x = 1,692,488,548.62 × 697,799,960.82
  4. Step 4: Simplify right side
    1,226,435,987.52x = 1,181,018,442,915,334,656
  5. Step 5: Solve for x
    x = 1,181,018,442,915,334,656/1,226,435,987.52
  6. Step 6: Final answer
    x = 962,967,863.74

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Double scale
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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.