Home / 320,033,051.70-480,049,577.55-306,596,123.70

Finding the Fourth Proportional to 320,033,051.70, 480,049,577.55 and 306,596,123.70

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Solution

The fourth proportional to 320,033,051.70, 480,049,577.55 and 306,596,123.70 is: 459,894,185.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,033,051.70 : 480,049,577.55 = 306,596,123.70 : x
  2. Step 2: Convert to fraction form
    320,033,051.70/480,049,577.55 = 306,596,123.70/x
  3. Step 3: Cross multiply
    320,033,051.70x = 480,049,577.55 × 306,596,123.70
  4. Step 4: Simplify right side
    320,033,051.70x = 147,181,339,660,652,544
  5. Step 5: Solve for x
    x = 147,181,339,660,652,544/320,033,051.70
  6. Step 6: Final answer
    x = 459,894,185.55

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1.5x scale

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.