Home / 702,469,632.36-1,053,296,009.28-265,804,048.83

Finding the Fourth Proportional to 702,469,632.36, 1,053,296,009.28 and 265,804,048.83

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Solution

The fourth proportional to 702,469,632.36, 1,053,296,009.28 and 265,804,048.83 is: 398,551,525.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,469,632.36 : 1,053,296,009.28 = 265,804,048.83 : x
  2. Step 2: Convert to fraction form
    702,469,632.36/1,053,296,009.28 = 265,804,048.83/x
  3. Step 3: Cross multiply
    702,469,632.36x = 1,053,296,009.28 × 265,804,048.83
  4. Step 4: Simplify right side
    702,469,632.36x = 279,970,343,883,105,248
  5. Step 5: Solve for x
    x = 279,970,343,883,105,248/702,469,632.36
  6. Step 6: Final answer
    x = 398,551,525.91

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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.