Home / 902,525,859.78-1,353,909,253.32-357,139,847.94

Finding the Fourth Proportional to 902,525,859.78, 1,353,909,253.32 and 357,139,847.94

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Solution

The fourth proportional to 902,525,859.78, 1,353,909,253.32 and 357,139,847.94 is: 535,757,440.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,525,859.78 : 1,353,909,253.32 = 357,139,847.94 : x
  2. Step 2: Convert to fraction form
    902,525,859.78/1,353,909,253.32 = 357,139,847.94/x
  3. Step 3: Cross multiply
    902,525,859.78x = 1,353,909,253.32 × 357,139,847.94
  4. Step 4: Simplify right side
    902,525,859.78x = 483,534,944,855,263,744
  5. Step 5: Solve for x
    x = 483,534,944,855,263,744/902,525,859.78
  6. Step 6: Final answer
    x = 535,757,440.76

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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.