Home / 2,909,867,717.72-4,015,619,063.71-1,571,757,802.22

Finding the Fourth Proportional to 2,909,867,717.72, 4,015,619,063.71 and 1,571,757,802.22

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Solution

The fourth proportional to 2,909,867,717.72, 4,015,619,063.71 and 1,571,757,802.22 is: 2,169,026,638.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909,867,717.72 : 4,015,619,063.71 = 1,571,757,802.22 : x
  2. Step 2: Convert to fraction form
    2,909,867,717.72/4,015,619,063.71 = 1,571,757,802.22/x
  3. Step 3: Cross multiply
    2,909,867,717.72x = 4,015,619,063.71 × 1,571,757,802.22
  4. Step 4: Simplify right side
    2,909,867,717.72x = 6,311,580,594,105,555,968
  5. Step 5: Solve for x
    x = 6,311,580,594,105,555,968/2,909,867,717.72
  6. Step 6: Final answer
    x = 2,169,026,638.46

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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.