Home / 1,905,395,828.36-2,857,776,736.55-577,108,061.55

Finding the Fourth Proportional to 1,905,395,828.36, 2,857,776,736.55 and 577,108,061.55

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Solution

The fourth proportional to 1,905,395,828.36, 2,857,776,736.55 and 577,108,061.55 is: 865,566,077.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905,395,828.36 : 2,857,776,736.55 = 577,108,061.55 : x
  2. Step 2: Convert to fraction form
    1,905,395,828.36/2,857,776,736.55 = 577,108,061.55/x
  3. Step 3: Cross multiply
    1,905,395,828.36x = 2,857,776,736.55 × 577,108,061.55
  4. Step 4: Simplify right side
    1,905,395,828.36x = 1,649,245,992,770,169,856
  5. Step 5: Solve for x
    x = 1,649,245,992,770,169,856/1,905,395,828.36
  6. Step 6: Final answer
    x = 865,566,077.26

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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.