Home / 1,106,084,972.46-1,657,968,527.28-515,388,213.48

Finding the Fourth Proportional to 1,106,084,972.46, 1,657,968,527.28 and 515,388,213.48

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Solution

The fourth proportional to 1,106,084,972.46, 1,657,968,527.28 and 515,388,213.48 is: 772,542,307.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,084,972.46 : 1,657,968,527.28 = 515,388,213.48 : x
  2. Step 2: Convert to fraction form
    1,106,084,972.46/1,657,968,527.28 = 515,388,213.48/x
  3. Step 3: Cross multiply
    1,106,084,972.46x = 1,657,968,527.28 × 515,388,213.48
  4. Step 4: Simplify right side
    1,106,084,972.46x = 854,497,437,280,905,856
  5. Step 5: Solve for x
    x = 854,497,437,280,905,856/1,106,084,972.46
  6. Step 6: Final answer
    x = 772,542,307.83

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Double scale
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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.