Home / 992,848,756.09-1,488,238,595.90-555,508,242.49

Finding the Fourth Proportional to 992,848,756.09, 1,488,238,595.90 and 555,508,242.49

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Solution

The fourth proportional to 992,848,756.09, 1,488,238,595.90 and 555,508,242.49 is: 832,683,529.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,848,756.09 : 1,488,238,595.90 = 555,508,242.49 : x
  2. Step 2: Convert to fraction form
    992,848,756.09/1,488,238,595.90 = 555,508,242.49/x
  3. Step 3: Cross multiply
    992,848,756.09x = 1,488,238,595.90 × 555,508,242.49
  4. Step 4: Simplify right side
    992,848,756.09x = 826,728,806,811,416,832
  5. Step 5: Solve for x
    x = 826,728,806,811,416,832/992,848,756.09
  6. Step 6: Final answer
    x = 832,683,529.83

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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.