Home / 320,406,033.60-480,627,657.84-123,670,570.32

Finding the Fourth Proportional to 320,406,033.60, 480,627,657.84 and 123,670,570.32

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Solution

The fourth proportional to 320,406,033.60, 480,627,657.84 and 123,670,570.32 is: 185,513,037.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,406,033.60 : 480,627,657.84 = 123,670,570.32 : x
  2. Step 2: Convert to fraction form
    320,406,033.60/480,627,657.84 = 123,670,570.32/x
  3. Step 3: Cross multiply
    320,406,033.60x = 480,627,657.84 × 123,670,570.32
  4. Step 4: Simplify right side
    320,406,033.60x = 59,439,496,556,638,616
  5. Step 5: Solve for x
    x = 59,439,496,556,638,616/320,406,033.60
  6. Step 6: Final answer
    x = 185,513,037.59

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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.