Home / 1,414,497,661.90-1,951,918,821.03-779,382,612.03

Finding the Fourth Proportional to 1,414,497,661.90, 1,951,918,821.03 and 779,382,612.03

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Solution

The fourth proportional to 1,414,497,661.90, 1,951,918,821.03 and 779,382,612.03 is: 1,075,499,543.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,414,497,661.90 : 1,951,918,821.03 = 779,382,612.03 : x
  2. Step 2: Convert to fraction form
    1,414,497,661.90/1,951,918,821.03 = 779,382,612.03/x
  3. Step 3: Cross multiply
    1,414,497,661.90x = 1,951,918,821.03 × 779,382,612.03
  4. Step 4: Simplify right side
    1,414,497,661.90x = 1,521,291,589,200,982,528
  5. Step 5: Solve for x
    x = 1,521,291,589,200,982,528/1,414,497,661.90
  6. Step 6: Final answer
    x = 1,075,499,543.18

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Double scale
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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.