Home / 907,972,923,421.76-1,253,002,740,561.20-496,441,680,897.20

Finding the Fourth Proportional to 907,972,923,421.76, 1,253,002,740,561.20 and 496,441,680,897.20

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Solution

The fourth proportional to 907,972,923,421.76, 1,253,002,740,561.20 and 496,441,680,897.20 is: 685,089,577,725.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,972,923,421.76 : 1,253,002,740,561.20 = 496,441,680,897.20 : x
  2. Step 2: Convert to fraction form
    907,972,923,421.76/1,253,002,740,561.20 = 496,441,680,897.20/x
  3. Step 3: Cross multiply
    907,972,923,421.76x = 1,253,002,740,561.20 × 496,441,680,897.20
  4. Step 4: Simplify right side
    907,972,923,421.76x = 622,042,786,693,000,344,895,488
  5. Step 5: Solve for x
    x = 622,042,786,693,000,344,895,488/907,972,923,421.76
  6. Step 6: Final answer
    x = 685,089,577,725.28

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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.