Home / 695,545,699.20-959,863,005.12-382,308,881.28

Finding the Fourth Proportional to 695,545,699.20, 959,863,005.12 and 382,308,881.28

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Solution

The fourth proportional to 695,545,699.20, 959,863,005.12 and 382,308,881.28 is: 527,591,719.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,545,699.20 : 959,863,005.12 = 382,308,881.28 : x
  2. Step 2: Convert to fraction form
    695,545,699.20/959,863,005.12 = 382,308,881.28/x
  3. Step 3: Cross multiply
    695,545,699.20x = 959,863,005.12 × 382,308,881.28
  4. Step 4: Simplify right side
    695,545,699.20x = 366,964,151,669,486,080
  5. Step 5: Solve for x
    x = 366,964,151,669,486,080/695,545,699.20
  6. Step 6: Final answer
    x = 527,591,719.84

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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.