Home / 1,543,693,528.65-2,130,295,448.97-838,843,833.36

Finding the Fourth Proportional to 1,543,693,528.65, 2,130,295,448.97 and 838,843,833.36

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Solution

The fourth proportional to 1,543,693,528.65, 2,130,295,448.97 and 838,843,833.36 is: 1,157,603,609.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,693,528.65 : 2,130,295,448.97 = 838,843,833.36 : x
  2. Step 2: Convert to fraction form
    1,543,693,528.65/2,130,295,448.97 = 838,843,833.36/x
  3. Step 3: Cross multiply
    1,543,693,528.65x = 2,130,295,448.97 × 838,843,833.36
  4. Step 4: Simplify right side
    1,543,693,528.65x = 1,786,985,200,603,357,184
  5. Step 5: Solve for x
    x = 1,786,985,200,603,357,184/1,543,693,528.65
  6. Step 6: Final answer
    x = 1,157,603,609.42

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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.