Home / 1,681,126,908.48-2,523,240,433.44-852,661,915.20

Finding the Fourth Proportional to 1,681,126,908.48, 2,523,240,433.44 and 852,661,915.20

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Solution

The fourth proportional to 1,681,126,908.48, 2,523,240,433.44 and 852,661,915.20 is: 1,279,779,063.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,126,908.48 : 2,523,240,433.44 = 852,661,915.20 : x
  2. Step 2: Convert to fraction form
    1,681,126,908.48/2,523,240,433.44 = 852,661,915.20/x
  3. Step 3: Cross multiply
    1,681,126,908.48x = 2,523,240,433.44 × 852,661,915.20
  4. Step 4: Simplify right side
    1,681,126,908.48x = 2,151,471,020,487,028,736
  5. Step 5: Solve for x
    x = 2,151,471,020,487,028,736/1,681,126,908.48
  6. Step 6: Final answer
    x = 1,279,779,063.46

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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.