Home / 1,370,209,943.36-1,890,673,737.42-798,087,154.24

Finding the Fourth Proportional to 1,370,209,943.36, 1,890,673,737.42 and 798,087,154.24

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Solution

The fourth proportional to 1,370,209,943.36, 1,890,673,737.42 and 798,087,154.24 is: 1,101,234,471.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,209,943.36 : 1,890,673,737.42 = 798,087,154.24 : x
  2. Step 2: Convert to fraction form
    1,370,209,943.36/1,890,673,737.42 = 798,087,154.24/x
  3. Step 3: Cross multiply
    1,370,209,943.36x = 1,890,673,737.42 × 798,087,154.24
  4. Step 4: Simplify right side
    1,370,209,943.36x = 1,508,922,422,693,832,960
  5. Step 5: Solve for x
    x = 1,508,922,422,693,832,960/1,370,209,943.36
  6. Step 6: Final answer
    x = 1,101,234,471.41

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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.