Home / 1,056,136,899.60-1,584,134,490.60-279,765,896.40

Finding the Fourth Proportional to 1,056,136,899.60, 1,584,134,490.60 and 279,765,896.40

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Solution

The fourth proportional to 1,056,136,899.60, 1,584,134,490.60 and 279,765,896.40 is: 419,630,074.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,136,899.60 : 1,584,134,490.60 = 279,765,896.40 : x
  2. Step 2: Convert to fraction form
    1,056,136,899.60/1,584,134,490.60 = 279,765,896.40/x
  3. Step 3: Cross multiply
    1,056,136,899.60x = 1,584,134,490.60 × 279,765,896.40
  4. Step 4: Simplify right side
    1,056,136,899.60x = 443,186,805,780,866,304
  5. Step 5: Solve for x
    x = 443,186,805,780,866,304/1,056,136,899.60
  6. Step 6: Final answer
    x = 419,630,074.42

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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.