Home / 777,478,558.10-1,166,217,837.15-486,913,191.35

Finding the Fourth Proportional to 777,478,558.10, 1,166,217,837.15 and 486,913,191.35

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Solution

The fourth proportional to 777,478,558.10, 1,166,217,837.15 and 486,913,191.35 is: 730,369,787.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,478,558.10 : 1,166,217,837.15 = 486,913,191.35 : x
  2. Step 2: Convert to fraction form
    777,478,558.10/1,166,217,837.15 = 486,913,191.35/x
  3. Step 3: Cross multiply
    777,478,558.10x = 1,166,217,837.15 × 486,913,191.35
  4. Step 4: Simplify right side
    777,478,558.10x = 567,846,848,896,001,152
  5. Step 5: Solve for x
    x = 567,846,848,896,001,152/777,478,558.10
  6. Step 6: Final answer
    x = 730,369,787.03

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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.