Home / 28,146,609,648.96-38,824,472,247.36-17,290,930,447.68

Finding the Fourth Proportional to 28,146,609,648.96, 38,824,472,247.36 and 17,290,930,447.68

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Solution

The fourth proportional to 28,146,609,648.96, 38,824,472,247.36 and 17,290,930,447.68 is: 23,850,519,038.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,146,609,648.96 : 38,824,472,247.36 = 17,290,930,447.68 : x
  2. Step 2: Convert to fraction form
    28,146,609,648.96/38,824,472,247.36 = 17,290,930,447.68/x
  3. Step 3: Cross multiply
    28,146,609,648.96x = 38,824,472,247.36 × 17,290,930,447.68
  4. Step 4: Simplify right side
    28,146,609,648.96x = 671,311,249,296,984,244,224
  5. Step 5: Solve for x
    x = 671,311,249,296,984,244,224/28,146,609,648.96
  6. Step 6: Final answer
    x = 23,850,519,038.33

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.