Home / 497,977,573,834.71-747,011,945,842.14-139,827,133,984.05

Finding the Fourth Proportional to 497,977,573,834.71, 747,011,945,842.14 and 139,827,133,984.05

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Solution

The fourth proportional to 497,977,573,834.71, 747,011,945,842.14 and 139,827,133,984.05 is: 209,753,500,814.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,977,573,834.71 : 747,011,945,842.14 = 139,827,133,984.05 : x
  2. Step 2: Convert to fraction form
    497,977,573,834.71/747,011,945,842.14 = 139,827,133,984.05/x
  3. Step 3: Cross multiply
    497,977,573,834.71x = 747,011,945,842.14 × 139,827,133,984.05
  4. Step 4: Simplify right side
    497,977,573,834.71x = 104,452,539,438,954,809,655,296
  5. Step 5: Solve for x
    x = 104,452,539,438,954,809,655,296/497,977,573,834.71
  6. Step 6: Final answer
    x = 209,753,500,814.53

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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.