Home / 655,325,625.86-904,352,446.01-357,971,993.36

Finding the Fourth Proportional to 655,325,625.86, 904,352,446.01 and 357,971,993.36

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Solution

The fourth proportional to 655,325,625.86, 904,352,446.01 and 357,971,993.36 is: 494,003,034.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,325,625.86 : 904,352,446.01 = 357,971,993.36 : x
  2. Step 2: Convert to fraction form
    655,325,625.86/904,352,446.01 = 357,971,993.36/x
  3. Step 3: Cross multiply
    655,325,625.86x = 904,352,446.01 × 357,971,993.36
  4. Step 4: Simplify right side
    655,325,625.86x = 323,732,847,798,191,488
  5. Step 5: Solve for x
    x = 323,732,847,798,191,488/655,325,625.86
  6. Step 6: Final answer
    x = 494,003,034.56

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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.