Home / 1,581,132,429.42-2,181,962,959.43-876,329,913.19

Finding the Fourth Proportional to 1,581,132,429.42, 2,181,962,959.43 and 876,329,913.19

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Solution

The fourth proportional to 1,581,132,429.42, 2,181,962,959.43 and 876,329,913.19 is: 1,209,335,394.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,132,429.42 : 2,181,962,959.43 = 876,329,913.19 : x
  2. Step 2: Convert to fraction form
    1,581,132,429.42/2,181,962,959.43 = 876,329,913.19/x
  3. Step 3: Cross multiply
    1,581,132,429.42x = 2,181,962,959.43 × 876,329,913.19
  4. Step 4: Simplify right side
    1,581,132,429.42x = 1,912,119,410,816,706,048
  5. Step 5: Solve for x
    x = 1,912,119,410,816,706,048/1,581,132,429.42
  6. Step 6: Final answer
    x = 1,209,335,394.84

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Double scale
Find fourth proportional to 1,581,132,430.42, 2,181,962,960.81 and 876,329,914.19
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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.