Home / 1,056,136,912.60-1,584,134,510.10-279,765,909.40

Finding the Fourth Proportional to 1,056,136,912.60, 1,584,134,510.10 and 279,765,909.40

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Solution

The fourth proportional to 1,056,136,912.60, 1,584,134,510.10 and 279,765,909.40 is: 419,630,093.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,136,912.60 : 1,584,134,510.10 = 279,765,909.40 : x
  2. Step 2: Convert to fraction form
    1,056,136,912.60/1,584,134,510.10 = 279,765,909.40/x
  3. Step 3: Cross multiply
    1,056,136,912.60x = 1,584,134,510.10 × 279,765,909.40
  4. Step 4: Simplify right side
    1,056,136,912.60x = 443,186,831,830,049,920
  5. Step 5: Solve for x
    x = 443,186,831,830,049,920/1,056,136,912.60
  6. Step 6: Final answer
    x = 419,630,093.92

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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.