Home / 12,778,147,852.01-19,166,313,761.20-3,934,064,501.56

Finding the Fourth Proportional to 12,778,147,852.01, 19,166,313,761.20 and 3,934,064,501.56

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Solution

The fourth proportional to 12,778,147,852.01, 19,166,313,761.20 and 3,934,064,501.56 is: 5,900,817,197.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,778,147,852.01 : 19,166,313,761.20 = 3,934,064,501.56 : x
  2. Step 2: Convert to fraction form
    12,778,147,852.01/19,166,313,761.20 = 3,934,064,501.56/x
  3. Step 3: Cross multiply
    12,778,147,852.01x = 19,166,313,761.20 × 3,934,064,501.56
  4. Step 4: Simplify right side
    12,778,147,852.01x = 75,401,514,593,657,192,448
  5. Step 5: Solve for x
    x = 75,401,514,593,657,192,448/12,778,147,852.01
  6. Step 6: Final answer
    x = 5,900,817,197.21

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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.