Home / 319,341,263.97-479,008,702.55-100,991,643.24

Finding the Fourth Proportional to 319,341,263.97, 479,008,702.55 and 100,991,643.24

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Solution

The fourth proportional to 319,341,263.97, 479,008,702.55 and 100,991,643.24 is: 151,486,454.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,341,263.97 : 479,008,702.55 = 100,991,643.24 : x
  2. Step 2: Convert to fraction form
    319,341,263.97/479,008,702.55 = 100,991,643.24/x
  3. Step 3: Cross multiply
    319,341,263.97x = 479,008,702.55 × 100,991,643.24
  4. Step 4: Simplify right side
    319,341,263.97x = 48,375,875,994,366,648
  5. Step 5: Solve for x
    x = 48,375,875,994,366,648/319,341,263.97
  6. Step 6: Final answer
    x = 151,486,454.94

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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.