Home / 497,977,573,814.58-747,011,945,811.81-139,827,133,963.89

Finding the Fourth Proportional to 497,977,573,814.58, 747,011,945,811.81 and 139,827,133,963.89

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Solution

The fourth proportional to 497,977,573,814.58, 747,011,945,811.81 and 139,827,133,963.89 is: 209,753,500,784.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,977,573,814.58 : 747,011,945,811.81 = 139,827,133,963.89 : x
  2. Step 2: Convert to fraction form
    497,977,573,814.58/747,011,945,811.81 = 139,827,133,963.89/x
  3. Step 3: Cross multiply
    497,977,573,814.58x = 747,011,945,811.81 × 139,827,133,963.89
  4. Step 4: Simplify right side
    497,977,573,814.58x = 104,452,539,419,654,115,819,520
  5. Step 5: Solve for x
    x = 104,452,539,419,654,115,819,520/497,977,573,814.58
  6. Step 6: Final answer
    x = 209,753,500,784.25

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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.