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Finding the Fourth Proportional to 12,877,672,401.60, 19,316,508,602.40 and 12,877,672,401.60

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Solution

The fourth proportional to 12,877,672,401.60, 19,316,508,602.40 and 12,877,672,401.60 is: 19,316,508,602.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,877,672,401.60 : 19,316,508,602.40 = 12,877,672,401.60 : x
  2. Step 2: Convert to fraction form
    12,877,672,401.60/19,316,508,602.40 = 12,877,672,401.60/x
  3. Step 3: Cross multiply
    12,877,672,401.60x = 19,316,508,602.40 × 12,877,672,401.60
  4. Step 4: Simplify right side
    12,877,672,401.60x = 248,751,669,724,395,503,616
  5. Step 5: Solve for x
    x = 248,751,669,724,395,503,616/12,877,672,401.60
  6. Step 6: Final answer
    x = 19,316,508,602.40

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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.