Home / 30,109,108,023.36-45,168,807,380.20-12,413,112,199.92

Finding the Fourth Proportional to 30,109,108,023.36, 45,168,807,380.20 and 12,413,112,199.92

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Solution

The fourth proportional to 30,109,108,023.36, 45,168,807,380.20 and 12,413,112,199.92 is: 18,621,789,576.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,109,108,023.36 : 45,168,807,380.20 = 12,413,112,199.92 : x
  2. Step 2: Convert to fraction form
    30,109,108,023.36/45,168,807,380.20 = 12,413,112,199.92/x
  3. Step 3: Cross multiply
    30,109,108,023.36x = 45,168,807,380.20 × 12,413,112,199.92
  4. Step 4: Simplify right side
    30,109,108,023.36x = 560,685,473,946,997,096,448
  5. Step 5: Solve for x
    x = 560,685,473,946,997,096,448/30,109,108,023.36
  6. Step 6: Final answer
    x = 18,621,789,576.50

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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.