Home / 478,709,231.96-660,590,269.79-277,750,538.33

Finding the Fourth Proportional to 478,709,231.96, 660,590,269.79 and 277,750,538.33

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Solution

The fourth proportional to 478,709,231.96, 660,590,269.79 and 277,750,538.33 is: 383,279,224.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,709,231.96 : 660,590,269.79 = 277,750,538.33 : x
  2. Step 2: Convert to fraction form
    478,709,231.96/660,590,269.79 = 277,750,538.33/x
  3. Step 3: Cross multiply
    478,709,231.96x = 660,590,269.79 × 277,750,538.33
  4. Step 4: Simplify right side
    478,709,231.96x = 183,479,303,048,343,648
  5. Step 5: Solve for x
    x = 183,479,303,048,343,648/478,709,231.96
  6. Step 6: Final answer
    x = 383,279,224.22

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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.