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Finding the Fourth Proportional to 7,262,425,811.60, 10,893,638,717.40 and 7,262,425,811.60

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Solution

The fourth proportional to 7,262,425,811.60, 10,893,638,717.40 and 7,262,425,811.60 is: 10,893,638,717.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,262,425,811.60 : 10,893,638,717.40 = 7,262,425,811.60 : x
  2. Step 2: Convert to fraction form
    7,262,425,811.60/10,893,638,717.40 = 7,262,425,811.60/x
  3. Step 3: Cross multiply
    7,262,425,811.60x = 10,893,638,717.40 × 7,262,425,811.60
  4. Step 4: Simplify right side
    7,262,425,811.60x = 79,114,243,003,490,877,440
  5. Step 5: Solve for x
    x = 79,114,243,003,490,877,440/7,262,425,811.60
  6. Step 6: Final answer
    x = 10,893,638,717.40

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Double scale
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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.