Home / 820,591,341.03-1,228,902,616.42-469,773,386.51

Finding the Fourth Proportional to 820,591,341.03, 1,228,902,616.42 and 469,773,386.51

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Solution

The fourth proportional to 820,591,341.03, 1,228,902,616.42 and 469,773,386.51 is: 703,524,050.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,591,341.03 : 1,228,902,616.42 = 469,773,386.51 : x
  2. Step 2: Convert to fraction form
    820,591,341.03/1,228,902,616.42 = 469,773,386.51/x
  3. Step 3: Cross multiply
    820,591,341.03x = 1,228,902,616.42 × 469,773,386.51
  4. Step 4: Simplify right side
    820,591,341.03x = 577,305,743,808,900,352
  5. Step 5: Solve for x
    x = 577,305,743,808,900,352/820,591,341.03
  6. Step 6: Final answer
    x = 703,524,050.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.