Home / 647,193,035.63-893,126,003.78-349,835,281.76

Finding the Fourth Proportional to 647,193,035.63, 893,126,003.78 and 349,835,281.76

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Solution

The fourth proportional to 647,193,035.63, 893,126,003.78 and 349,835,281.76 is: 482,772,480.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,193,035.63 : 893,126,003.78 = 349,835,281.76 : x
  2. Step 2: Convert to fraction form
    647,193,035.63/893,126,003.78 = 349,835,281.76/x
  3. Step 3: Cross multiply
    647,193,035.63x = 893,126,003.78 × 349,835,281.76
  4. Step 4: Simplify right side
    647,193,035.63x = 312,446,987,182,666,496
  5. Step 5: Solve for x
    x = 312,446,987,182,666,496/647,193,035.63
  6. Step 6: Final answer
    x = 482,772,480.51

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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.