Home / 991,496,505.11-1,487,190,936.61-301,349,950.67

Finding the Fourth Proportional to 991,496,505.11, 1,487,190,936.61 and 301,349,950.67

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Solution

The fourth proportional to 991,496,505.11, 1,487,190,936.61 and 301,349,950.67 is: 452,008,567.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,496,505.11 : 1,487,190,936.61 = 301,349,950.67 : x
  2. Step 2: Convert to fraction form
    991,496,505.11/1,487,190,936.61 = 301,349,950.67/x
  3. Step 3: Cross multiply
    991,496,505.11x = 1,487,190,936.61 × 301,349,950.67
  4. Step 4: Simplify right side
    991,496,505.11x = 448,164,915,384,294,592
  5. Step 5: Solve for x
    x = 448,164,915,384,294,592/991,496,505.11
  6. Step 6: Final answer
    x = 452,008,567.93

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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.