Home / 734,615,112.56-1,013,748,149.16-400,080,084.08

Finding the Fourth Proportional to 734,615,112.56, 1,013,748,149.16 and 400,080,084.08

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Solution

The fourth proportional to 734,615,112.56, 1,013,748,149.16 and 400,080,084.08 is: 552,099,239.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,615,112.56 : 1,013,748,149.16 = 400,080,084.08 : x
  2. Step 2: Convert to fraction form
    734,615,112.56/1,013,748,149.16 = 400,080,084.08/x
  3. Step 3: Cross multiply
    734,615,112.56x = 1,013,748,149.16 × 400,080,084.08
  4. Step 4: Simplify right side
    734,615,112.56x = 405,580,444,751,877,120
  5. Step 5: Solve for x
    x = 405,580,444,751,877,120/734,615,112.56
  6. Step 6: Final answer
    x = 552,099,239.20

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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.