Home / 2,780,946,459.53-3,838,035,116.31-1,651,920,683.42

Finding the Fourth Proportional to 2,780,946,459.53, 3,838,035,116.31 and 1,651,920,683.42

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Solution

The fourth proportional to 2,780,946,459.53, 3,838,035,116.31 and 1,651,920,683.42 is: 2,279,845,974.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,780,946,459.53 : 3,838,035,116.31 = 1,651,920,683.42 : x
  2. Step 2: Convert to fraction form
    2,780,946,459.53/3,838,035,116.31 = 1,651,920,683.42/x
  3. Step 3: Cross multiply
    2,780,946,459.53x = 3,838,035,116.31 × 1,651,920,683.42
  4. Step 4: Simplify right side
    2,780,946,459.53x = 6,340,129,592,305,584,128
  5. Step 5: Solve for x
    x = 6,340,129,592,305,584,128/2,780,946,459.53
  6. Step 6: Final answer
    x = 2,279,845,974.95

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1.5x scale

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.