Home / 798,487,311.29-1,101,972,136.48-459,499,697.83

Finding the Fourth Proportional to 798,487,311.29, 1,101,972,136.48 and 459,499,697.83

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Solution

The fourth proportional to 798,487,311.29, 1,101,972,136.48 and 459,499,697.83 is: 634,143,907.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,487,311.29 : 1,101,972,136.48 = 459,499,697.83 : x
  2. Step 2: Convert to fraction form
    798,487,311.29/1,101,972,136.48 = 459,499,697.83/x
  3. Step 3: Cross multiply
    798,487,311.29x = 1,101,972,136.48 × 459,499,697.83
  4. Step 4: Simplify right side
    798,487,311.29x = 506,355,863,723,686,208
  5. Step 5: Solve for x
    x = 506,355,863,723,686,208/798,487,311.29
  6. Step 6: Final answer
    x = 634,143,907.57

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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.