Home / 891,877,947.01-1,337,830,374.21-309,630,688.04

Finding the Fourth Proportional to 891,877,947.01, 1,337,830,374.21 and 309,630,688.04

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Solution

The fourth proportional to 891,877,947.01, 1,337,830,374.21 and 309,630,688.04 is: 464,450,702.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,877,947.01 : 1,337,830,374.21 = 309,630,688.04 : x
  2. Step 2: Convert to fraction form
    891,877,947.01/1,337,830,374.21 = 309,630,688.04/x
  3. Step 3: Cross multiply
    891,877,947.01x = 1,337,830,374.21 × 309,630,688.04
  4. Step 4: Simplify right side
    891,877,947.01x = 414,233,339,247,452,992
  5. Step 5: Solve for x
    x = 414,233,339,247,452,992/891,877,947.01
  6. Step 6: Final answer
    x = 464,450,702.74

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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.