Home / 1,216,084,187,641.20-1,678,085,255,985.20-721,603,526,116.53

Finding the Fourth Proportional to 1,216,084,187,641.20, 1,678,085,255,985.20 and 721,603,526,116.53

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Solution

The fourth proportional to 1,216,084,187,641.20, 1,678,085,255,985.20 and 721,603,526,116.53 is: 995,747,046,256.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,084,187,641.20 : 1,678,085,255,985.20 = 721,603,526,116.53 : x
  2. Step 2: Convert to fraction form
    1,216,084,187,641.20/1,678,085,255,985.20 = 721,603,526,116.53/x
  3. Step 3: Cross multiply
    1,216,084,187,641.20x = 1,678,085,255,985.20 × 721,603,526,116.53
  4. Step 4: Simplify right side
    1,216,084,187,641.20x = 1,210,912,237,843,080,332,443,648
  5. Step 5: Solve for x
    x = 1,210,912,237,843,080,332,443,648/1,216,084,187,641.20
  6. Step 6: Final answer
    x = 995,747,046,256.60

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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.