Home / 683,015,139.12-942,560,693.30-369,749,123.04

Finding the Fourth Proportional to 683,015,139.12, 942,560,693.30 and 369,749,123.04

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Solution

The fourth proportional to 683,015,139.12, 942,560,693.30 and 369,749,123.04 is: 510,253,682.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,015,139.12 : 942,560,693.30 = 369,749,123.04 : x
  2. Step 2: Convert to fraction form
    683,015,139.12/942,560,693.30 = 369,749,123.04/x
  3. Step 3: Cross multiply
    683,015,139.12x = 942,560,693.30 × 369,749,123.04
  4. Step 4: Simplify right side
    683,015,139.12x = 348,510,989,759,649,408
  5. Step 5: Solve for x
    x = 348,510,989,759,649,408/683,015,139.12
  6. Step 6: Final answer
    x = 510,253,682.24

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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.