Home / 905,965,655.31-1,250,213,001.75-524,503,774.44

Finding the Fourth Proportional to 905,965,655.31, 1,250,213,001.75 and 524,503,774.44

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Solution

The fourth proportional to 905,965,655.31, 1,250,213,001.75 and 524,503,774.44 is: 723,803,859.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,965,655.31 : 1,250,213,001.75 = 524,503,774.44 : x
  2. Step 2: Convert to fraction form
    905,965,655.31/1,250,213,001.75 = 524,503,774.44/x
  3. Step 3: Cross multiply
    905,965,655.31x = 1,250,213,001.75 × 524,503,774.44
  4. Step 4: Simplify right side
    905,965,655.31x = 655,741,438,271,837,312
  5. Step 5: Solve for x
    x = 655,741,438,271,837,312/905,965,655.31
  6. Step 6: Final answer
    x = 723,803,859.92

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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.