Home / 19,020,443,363.82-28,505,845,920.60-10,626,009,918.42

Finding the Fourth Proportional to 19,020,443,363.82, 28,505,845,920.60 and 10,626,009,918.42

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Solution

The fourth proportional to 19,020,443,363.82, 28,505,845,920.60 and 10,626,009,918.42 is: 15,925,149,361.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,020,443,363.82 : 28,505,845,920.60 = 10,626,009,918.42 : x
  2. Step 2: Convert to fraction form
    19,020,443,363.82/28,505,845,920.60 = 10,626,009,918.42/x
  3. Step 3: Cross multiply
    19,020,443,363.82x = 28,505,845,920.60 × 10,626,009,918.42
  4. Step 4: Simplify right side
    19,020,443,363.82x = 302,903,401,485,247,905,792
  5. Step 5: Solve for x
    x = 302,903,401,485,247,905,792/19,020,443,363.82
  6. Step 6: Final answer
    x = 15,925,149,361.21

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Double scale
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1.5x scale

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.