Home / 963,070,217-1,329,044,709.78-523,040,218.28

Finding the Fourth Proportional to 963,070,217, 1,329,044,709.78 and 523,040,218.28

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Solution

The fourth proportional to 963,070,217, 1,329,044,709.78 and 523,040,218.28 is: 721,799,742.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,070,217 : 1,329,044,709.78 = 523,040,218.28 : x
  2. Step 2: Convert to fraction form
    963,070,217/1,329,044,709.78 = 523,040,218.28/x
  3. Step 3: Cross multiply
    963,070,217x = 1,329,044,709.78 × 523,040,218.28
  4. Step 4: Simplify right side
    963,070,217x = 695,143,835,107,210,368
  5. Step 5: Solve for x
    x = 695,143,835,107,210,368/963,070,217
  6. Step 6: Final answer
    x = 721,799,742.99

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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.