Home / 20,183,256,018.30-30,274,884,027.45-11,918,285,586.30

Finding the Fourth Proportional to 20,183,256,018.30, 30,274,884,027.45 and 11,918,285,586.30

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Solution

The fourth proportional to 20,183,256,018.30, 30,274,884,027.45 and 11,918,285,586.30 is: 17,877,428,379.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,183,256,018.30 : 30,274,884,027.45 = 11,918,285,586.30 : x
  2. Step 2: Convert to fraction form
    20,183,256,018.30/30,274,884,027.45 = 11,918,285,586.30/x
  3. Step 3: Cross multiply
    20,183,256,018.30x = 30,274,884,027.45 × 11,918,285,586.30
  4. Step 4: Simplify right side
    20,183,256,018.30x = 360,824,713,931,261,411,328
  5. Step 5: Solve for x
    x = 360,824,713,931,261,411,328/20,183,256,018.30
  6. Step 6: Final answer
    x = 17,877,428,379.45

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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.