Home / 19,166,425,131.72-28,749,599,143.90-18,000,087,885.92

Finding the Fourth Proportional to 19,166,425,131.72, 28,749,599,143.90 and 18,000,087,885.92

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Solution

The fourth proportional to 19,166,425,131.72, 28,749,599,143.90 and 18,000,087,885.92 is: 27,000,095,621.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,166,425,131.72 : 28,749,599,143.90 = 18,000,087,885.92 : x
  2. Step 2: Convert to fraction form
    19,166,425,131.72/28,749,599,143.90 = 18,000,087,885.92/x
  3. Step 3: Cross multiply
    19,166,425,131.72x = 28,749,599,143.90 × 18,000,087,885.92
  4. Step 4: Simplify right side
    19,166,425,131.72x = 517,495,311,275,170,398,208
  5. Step 5: Solve for x
    x = 517,495,311,275,170,398,208/19,166,425,131.72
  6. Step 6: Final answer
    x = 27,000,095,621.31

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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.