Home / 679,042,898,342.20-937,082,113,014.30-370,400,983,417.86

Finding the Fourth Proportional to 679,042,898,342.20, 937,082,113,014.30 and 370,400,983,417.86

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Solution

The fourth proportional to 679,042,898,342.20, 937,082,113,014.30 and 370,400,983,417.86 is: 511,154,946,250.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,042,898,342.20 : 937,082,113,014.30 = 370,400,983,417.86 : x
  2. Step 2: Convert to fraction form
    679,042,898,342.20/937,082,113,014.30 = 370,400,983,417.86/x
  3. Step 3: Cross multiply
    679,042,898,342.20x = 937,082,113,014.30 × 370,400,983,417.86
  4. Step 4: Simplify right side
    679,042,898,342.20x = 347,096,136,203,782,947,078,144
  5. Step 5: Solve for x
    x = 347,096,136,203,782,947,078,144/679,042,898,342.20
  6. Step 6: Final answer
    x = 511,154,946,250.34

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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.