Home / 1,262,833,915.48-1,742,722,079.79-698,356,992.88

Finding the Fourth Proportional to 1,262,833,915.48, 1,742,722,079.79 and 698,356,992.88

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Solution

The fourth proportional to 1,262,833,915.48, 1,742,722,079.79 and 698,356,992.88 is: 963,738,886.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,833,915.48 : 1,742,722,079.79 = 698,356,992.88 : x
  2. Step 2: Convert to fraction form
    1,262,833,915.48/1,742,722,079.79 = 698,356,992.88/x
  3. Step 3: Cross multiply
    1,262,833,915.48x = 1,742,722,079.79 × 698,356,992.88
  4. Step 4: Simplify right side
    1,262,833,915.48x = 1,217,042,151,067,723,776
  5. Step 5: Solve for x
    x = 1,217,042,151,067,723,776/1,262,833,915.48
  6. Step 6: Final answer
    x = 963,738,886.13

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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.