Home / 891,877,946.01-1,337,830,372.71-309,630,687.04

Finding the Fourth Proportional to 891,877,946.01, 1,337,830,372.71 and 309,630,687.04

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Solution

The fourth proportional to 891,877,946.01, 1,337,830,372.71 and 309,630,687.04 is: 464,450,701.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,877,946.01 : 1,337,830,372.71 = 309,630,687.04 : x
  2. Step 2: Convert to fraction form
    891,877,946.01/1,337,830,372.71 = 309,630,687.04/x
  3. Step 3: Cross multiply
    891,877,946.01x = 1,337,830,372.71 × 309,630,687.04
  4. Step 4: Simplify right side
    891,877,946.01x = 414,233,337,443,628,416
  5. Step 5: Solve for x
    x = 414,233,337,443,628,416/891,877,946.01
  6. Step 6: Final answer
    x = 464,450,701.24

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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.