Home / 893,641,944.84-1,233,237,233.32-491,801,959.76

Finding the Fourth Proportional to 893,641,944.84, 1,233,237,233.32 and 491,801,959.76

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Solution

The fourth proportional to 893,641,944.84, 1,233,237,233.32 and 491,801,959.76 is: 678,692,950.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,641,944.84 : 1,233,237,233.32 = 491,801,959.76 : x
  2. Step 2: Convert to fraction form
    893,641,944.84/1,233,237,233.32 = 491,801,959.76/x
  3. Step 3: Cross multiply
    893,641,944.84x = 1,233,237,233.32 × 491,801,959.76
  4. Step 4: Simplify right side
    893,641,944.84x = 606,508,488,195,776,384
  5. Step 5: Solve for x
    x = 606,508,488,195,776,384/893,641,944.84
  6. Step 6: Final answer
    x = 678,692,950.46

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1.5x scale

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.