Home / 788,763,117.60-1,183,144,676.40-206,496,237.60

Finding the Fourth Proportional to 788,763,117.60, 1,183,144,676.40 and 206,496,237.60

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Solution

The fourth proportional to 788,763,117.60, 1,183,144,676.40 and 206,496,237.60 is: 309,744,356.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,763,117.60 : 1,183,144,676.40 = 206,496,237.60 : x
  2. Step 2: Convert to fraction form
    788,763,117.60/1,183,144,676.40 = 206,496,237.60/x
  3. Step 3: Cross multiply
    788,763,117.60x = 1,183,144,676.40 × 206,496,237.60
  4. Step 4: Simplify right side
    788,763,117.60x = 244,314,924,213,069,536
  5. Step 5: Solve for x
    x = 244,314,924,213,069,536/788,763,117.60
  6. Step 6: Final answer
    x = 309,744,356.40

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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.