Home / 956,669,414.76-1,320,203,808.90-516,636,266.76

Finding the Fourth Proportional to 956,669,414.76, 1,320,203,808.90 and 516,636,266.76

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Solution

The fourth proportional to 956,669,414.76, 1,320,203,808.90 and 516,636,266.76 is: 712,958,057.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,669,414.76 : 1,320,203,808.90 = 516,636,266.76 : x
  2. Step 2: Convert to fraction form
    956,669,414.76/1,320,203,808.90 = 516,636,266.76/x
  3. Step 3: Cross multiply
    956,669,414.76x = 1,320,203,808.90 × 516,636,266.76
  4. Step 4: Simplify right side
    956,669,414.76x = 682,065,167,192,428,544
  5. Step 5: Solve for x
    x = 682,065,167,192,428,544/956,669,414.76
  6. Step 6: Final answer
    x = 712,958,057.06

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Double scale
Find fourth proportional to 956,669,415.76, 1,320,203,810.28 and 516,636,267.76
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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.