Home / 695,887,998,466.50-960,409,038,966.45-421,525,600,764.65

Finding the Fourth Proportional to 695,887,998,466.50, 960,409,038,966.45 and 421,525,600,764.65

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Solution

The fourth proportional to 695,887,998,466.50, 960,409,038,966.45 and 421,525,600,764.65 is: 581,755,969,383.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,887,998,466.50 : 960,409,038,966.45 = 421,525,600,764.65 : x
  2. Step 2: Convert to fraction form
    695,887,998,466.50/960,409,038,966.45 = 421,525,600,764.65/x
  3. Step 3: Cross multiply
    695,887,998,466.50x = 960,409,038,966.45 × 421,525,600,764.65
  4. Step 4: Simplify right side
    695,887,998,466.50x = 404,836,997,130,133,010,644,992
  5. Step 5: Solve for x
    x = 404,836,997,130,133,010,644,992/695,887,998,466.50
  6. Step 6: Final answer
    x = 581,755,969,383.37

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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.