Home / 14,186,352,128.89-19,573,918,037.56-8,469,523,931.80

Finding the Fourth Proportional to 14,186,352,128.89, 19,573,918,037.56 and 8,469,523,931.80

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Solution

The fourth proportional to 14,186,352,128.89, 19,573,918,037.56 and 8,469,523,931.80 is: 11,686,003,967.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,186,352,128.89 : 19,573,918,037.56 = 8,469,523,931.80 : x
  2. Step 2: Convert to fraction form
    14,186,352,128.89/19,573,918,037.56 = 8,469,523,931.80/x
  3. Step 3: Cross multiply
    14,186,352,128.89x = 19,573,918,037.56 × 8,469,523,931.80
  4. Step 4: Simplify right side
    14,186,352,128.89x = 165,781,767,258,206,142,464
  5. Step 5: Solve for x
    x = 165,781,767,258,206,142,464/14,186,352,128.89
  6. Step 6: Final answer
    x = 11,686,003,967.19

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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.