Home / 956,669,288.58-1,320,203,634.57-516,636,140.58

Finding the Fourth Proportional to 956,669,288.58, 1,320,203,634.57 and 516,636,140.58

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Solution

The fourth proportional to 956,669,288.58, 1,320,203,634.57 and 516,636,140.58 is: 712,957,882.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,669,288.58 : 1,320,203,634.57 = 516,636,140.58 : x
  2. Step 2: Convert to fraction form
    956,669,288.58/1,320,203,634.57 = 516,636,140.58/x
  3. Step 3: Cross multiply
    956,669,288.58x = 1,320,203,634.57 × 516,636,140.58
  4. Step 4: Simplify right side
    956,669,288.58x = 682,064,910,543,933,440
  5. Step 5: Solve for x
    x = 682,064,910,543,933,440/956,669,288.58
  6. Step 6: Final answer
    x = 712,957,882.82

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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.