Home / 497,977,573,823.46-747,011,945,825.28-139,827,133,972.80

Finding the Fourth Proportional to 497,977,573,823.46, 747,011,945,825.28 and 139,827,133,972.80

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Solution

The fourth proportional to 497,977,573,823.46, 747,011,945,825.28 and 139,827,133,972.80 is: 209,753,500,797.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,977,573,823.46 : 747,011,945,825.28 = 139,827,133,972.80 : x
  2. Step 2: Convert to fraction form
    497,977,573,823.46/747,011,945,825.28 = 139,827,133,972.80/x
  3. Step 3: Cross multiply
    497,977,573,823.46x = 747,011,945,825.28 × 139,827,133,972.80
  4. Step 4: Simplify right side
    497,977,573,823.46x = 104,452,539,428,193,433,550,848
  5. Step 5: Solve for x
    x = 104,452,539,428,193,433,550,848/497,977,573,823.46
  6. Step 6: Final answer
    x = 209,753,500,797.66

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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.