Home / 3,128,936,615.40-4,693,404,923.10-947,902,751.40

Finding the Fourth Proportional to 3,128,936,615.40, 4,693,404,923.10 and 947,902,751.40

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Solution

The fourth proportional to 3,128,936,615.40, 4,693,404,923.10 and 947,902,751.40 is: 1,421,854,127.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128,936,615.40 : 4,693,404,923.10 = 947,902,751.40 : x
  2. Step 2: Convert to fraction form
    3,128,936,615.40/4,693,404,923.10 = 947,902,751.40/x
  3. Step 3: Cross multiply
    3,128,936,615.40x = 4,693,404,923.10 × 947,902,751.40
  4. Step 4: Simplify right side
    3,128,936,615.40x = 4,448,891,440,040,795,648
  5. Step 5: Solve for x
    x = 4,448,891,440,040,795,648/3,128,936,615.40
  6. Step 6: Final answer
    x = 1,421,854,127.10

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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.