Home / 69,108,158,285.26-103,662,237,427.89-19,421,480,571.01

Finding the Fourth Proportional to 69,108,158,285.26, 103,662,237,427.89 and 19,421,480,571.01

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Solution

The fourth proportional to 69,108,158,285.26, 103,662,237,427.89 and 19,421,480,571.01 is: 29,132,220,856.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,108,158,285.26 : 103,662,237,427.89 = 19,421,480,571.01 : x
  2. Step 2: Convert to fraction form
    69,108,158,285.26/103,662,237,427.89 = 19,421,480,571.01/x
  3. Step 3: Cross multiply
    69,108,158,285.26x = 103,662,237,427.89 × 19,421,480,571.01
  4. Step 4: Simplify right side
    69,108,158,285.26x = 2,013,274,130,153,190,981,632
  5. Step 5: Solve for x
    x = 2,013,274,130,153,190,981,632/69,108,158,285.26
  6. Step 6: Final answer
    x = 29,132,220,856.52

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Double scale
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Similar ratio
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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.