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Finding the Fourth Proportional to 85,183,615,916.80, 127,775,423,875.20 and 85,183,615,916.80

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Solution

The fourth proportional to 85,183,615,916.80, 127,775,423,875.20 and 85,183,615,916.80 is: 127,775,423,875.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,183,615,916.80 : 127,775,423,875.20 = 85,183,615,916.80 : x
  2. Step 2: Convert to fraction form
    85,183,615,916.80/127,775,423,875.20 = 85,183,615,916.80/x
  3. Step 3: Cross multiply
    85,183,615,916.80x = 127,775,423,875.20 × 85,183,615,916.80
  4. Step 4: Simplify right side
    85,183,615,916.80x = 10,884,372,630,991,353,675,776
  5. Step 5: Solve for x
    x = 10,884,372,630,991,353,675,776/85,183,615,916.80
  6. Step 6: Final answer
    x = 127,775,423,875.20

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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.