Home / 780,096,398.96-1,170,546,899.52-365,615,328.48

Finding the Fourth Proportional to 780,096,398.96, 1,170,546,899.52 and 365,615,328.48

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Solution

The fourth proportional to 780,096,398.96, 1,170,546,899.52 and 365,615,328.48 is: 548,611,543.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,096,398.96 : 1,170,546,899.52 = 365,615,328.48 : x
  2. Step 2: Convert to fraction form
    780,096,398.96/1,170,546,899.52 = 365,615,328.48/x
  3. Step 3: Cross multiply
    780,096,398.96x = 1,170,546,899.52 × 365,615,328.48
  4. Step 4: Simplify right side
    780,096,398.96x = 427,969,889,169,250,368
  5. Step 5: Solve for x
    x = 427,969,889,169,250,368/780,096,398.96
  6. Step 6: Final answer
    x = 548,611,543.06

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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.