Home / 1,909,111,649.54-2,633,081,555.94-1,240,272,193.20

Finding the Fourth Proportional to 1,909,111,649.54, 2,633,081,555.94 and 1,240,272,193.20

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Solution

The fourth proportional to 1,909,111,649.54, 2,633,081,555.94 and 1,240,272,193.20 is: 1,710,605,996.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,111,649.54 : 2,633,081,555.94 = 1,240,272,193.20 : x
  2. Step 2: Convert to fraction form
    1,909,111,649.54/2,633,081,555.94 = 1,240,272,193.20/x
  3. Step 3: Cross multiply
    1,909,111,649.54x = 2,633,081,555.94 × 1,240,272,193.20
  4. Step 4: Simplify right side
    1,909,111,649.54x = 3,265,737,836,260,172,288
  5. Step 5: Solve for x
    x = 3,265,737,836,260,172,288/1,909,111,649.54
  6. Step 6: Final answer
    x = 1,710,605,996.80

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1.5x scale

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.