Home / 1,915,946,817.53-2,644,001,649.62-1,069,165,231.86

Finding the Fourth Proportional to 1,915,946,817.53, 2,644,001,649.62 and 1,069,165,231.86

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Solution

The fourth proportional to 1,915,946,817.53, 2,644,001,649.62 and 1,069,165,231.86 is: 1,475,445,252.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,946,817.53 : 2,644,001,649.62 = 1,069,165,231.86 : x
  2. Step 2: Convert to fraction form
    1,915,946,817.53/2,644,001,649.62 = 1,069,165,231.86/x
  3. Step 3: Cross multiply
    1,915,946,817.53x = 2,644,001,649.62 × 1,069,165,231.86
  4. Step 4: Simplify right side
    1,915,946,817.53x = 2,826,874,636,748,843,520
  5. Step 5: Solve for x
    x = 2,826,874,636,748,843,520/1,915,946,817.53
  6. Step 6: Final answer
    x = 1,475,445,252.91

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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.