Home / 1,573,081,157.90-2,170,856,380.66-858,623,162.42

Finding the Fourth Proportional to 1,573,081,157.90, 2,170,856,380.66 and 858,623,162.42

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Solution

The fourth proportional to 1,573,081,157.90, 2,170,856,380.66 and 858,623,162.42 is: 1,184,902,356.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573,081,157.90 : 2,170,856,380.66 = 858,623,162.42 : x
  2. Step 2: Convert to fraction form
    1,573,081,157.90/2,170,856,380.66 = 858,623,162.42/x
  3. Step 3: Cross multiply
    1,573,081,157.90x = 2,170,856,380.66 × 858,623,162.42
  4. Step 4: Simplify right side
    1,573,081,157.90x = 1,863,947,570,721,924,352
  5. Step 5: Solve for x
    x = 1,863,947,570,721,924,352/1,573,081,157.90
  6. Step 6: Final answer
    x = 1,184,902,356.35

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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.