Home / 18,841,786,414.66-28,271,025,749.63-9,875,844,883.94

Finding the Fourth Proportional to 18,841,786,414.66, 28,271,025,749.63 and 9,875,844,883.94

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Solution

The fourth proportional to 18,841,786,414.66, 28,271,025,749.63 and 9,875,844,883.94 is: 14,818,141,914.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,841,786,414.66 : 28,271,025,749.63 = 9,875,844,883.94 : x
  2. Step 2: Convert to fraction form
    18,841,786,414.66/28,271,025,749.63 = 9,875,844,883.94/x
  3. Step 3: Cross multiply
    18,841,786,414.66x = 28,271,025,749.63 × 9,875,844,883.94
  4. Step 4: Simplify right side
    18,841,786,414.66x = 279,200,265,013,219,459,072
  5. Step 5: Solve for x
    x = 279,200,265,013,219,459,072/18,841,786,414.66
  6. Step 6: Final answer
    x = 14,818,141,914.40

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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.