Home / 19,166,425,130.72-28,749,599,142.40-18,000,087,884.92

Finding the Fourth Proportional to 19,166,425,130.72, 28,749,599,142.40 and 18,000,087,884.92

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Solution

The fourth proportional to 19,166,425,130.72, 28,749,599,142.40 and 18,000,087,884.92 is: 27,000,095,619.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,166,425,130.72 : 28,749,599,142.40 = 18,000,087,884.92 : x
  2. Step 2: Convert to fraction form
    19,166,425,130.72/28,749,599,142.40 = 18,000,087,884.92/x
  3. Step 3: Cross multiply
    19,166,425,130.72x = 28,749,599,142.40 × 18,000,087,884.92
  4. Step 4: Simplify right side
    19,166,425,130.72x = 517,495,311,219,420,626,944
  5. Step 5: Solve for x
    x = 517,495,311,219,420,626,944/19,166,425,130.72
  6. Step 6: Final answer
    x = 27,000,095,619.81

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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.