Home / 1,972,308,393.48-2,721,788,235.90-1,068,065,905.26

Finding the Fourth Proportional to 1,972,308,393.48, 2,721,788,235.90 and 1,068,065,905.26

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Solution

The fourth proportional to 1,972,308,393.48, 2,721,788,235.90 and 1,068,065,905.26 is: 1,473,932,385.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972,308,393.48 : 2,721,788,235.90 = 1,068,065,905.26 : x
  2. Step 2: Convert to fraction form
    1,972,308,393.48/2,721,788,235.90 = 1,068,065,905.26/x
  3. Step 3: Cross multiply
    1,972,308,393.48x = 2,721,788,235.90 × 1,068,065,905.26
  4. Step 4: Simplify right side
    1,972,308,393.48x = 2,907,049,216,102,552,064
  5. Step 5: Solve for x
    x = 2,907,049,216,102,552,064/1,972,308,393.48
  6. Step 6: Final answer
    x = 1,473,932,385.88

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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.