Home / 497,977,573,824.46-747,011,945,826.78-139,827,133,973.80

Finding the Fourth Proportional to 497,977,573,824.46, 747,011,945,826.78 and 139,827,133,973.80

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Solution

The fourth proportional to 497,977,573,824.46, 747,011,945,826.78 and 139,827,133,973.80 is: 209,753,500,799.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,977,573,824.46 : 747,011,945,826.78 = 139,827,133,973.80 : x
  2. Step 2: Convert to fraction form
    497,977,573,824.46/747,011,945,826.78 = 139,827,133,973.80/x
  3. Step 3: Cross multiply
    497,977,573,824.46x = 747,011,945,826.78 × 139,827,133,973.80
  4. Step 4: Simplify right side
    497,977,573,824.46x = 104,452,539,429,150,187,847,680
  5. Step 5: Solve for x
    x = 104,452,539,429,150,187,847,680/497,977,573,824.46
  6. Step 6: Final answer
    x = 209,753,500,799.16

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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.