Home / 992,816,408.70-1,489,224,613.05-503,040,383.10

Finding the Fourth Proportional to 992,816,408.70, 1,489,224,613.05 and 503,040,383.10

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Solution

The fourth proportional to 992,816,408.70, 1,489,224,613.05 and 503,040,383.10 is: 754,560,574.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,816,408.70 : 1,489,224,613.05 = 503,040,383.10 : x
  2. Step 2: Convert to fraction form
    992,816,408.70/1,489,224,613.05 = 503,040,383.10/x
  3. Step 3: Cross multiply
    992,816,408.70x = 1,489,224,613.05 × 503,040,383.10
  4. Step 4: Simplify right side
    992,816,408.70x = 749,140,119,870,621,312
  5. Step 5: Solve for x
    x = 749,140,119,870,621,312/992,816,408.70
  6. Step 6: Final answer
    x = 754,560,574.65

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Double scale
Find fourth proportional to 992,816,409.70, 1,489,224,614.55 and 503,040,384.10
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.