Home / 771,762,743.34-1,157,641,824.56-219,065,639.54

Finding the Fourth Proportional to 771,762,743.34, 1,157,641,824.56 and 219,065,639.54

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Solution

The fourth proportional to 771,762,743.34, 1,157,641,824.56 and 219,065,639.54 is: 328,597,809.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,762,743.34 : 1,157,641,824.56 = 219,065,639.54 : x
  2. Step 2: Convert to fraction form
    771,762,743.34/1,157,641,824.56 = 219,065,639.54/x
  3. Step 3: Cross multiply
    771,762,743.34x = 1,157,641,824.56 × 219,065,639.54
  4. Step 4: Simplify right side
    771,762,743.34x = 253,599,546,648,605,344
  5. Step 5: Solve for x
    x = 253,599,546,648,605,344/771,762,743.34
  6. Step 6: Final answer
    x = 328,597,809.15

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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.