Home / 28,946,715,652.45-39,947,437,592.81-16,086,897,537.24

Finding the Fourth Proportional to 28,946,715,652.45, 39,947,437,592.81 and 16,086,897,537.24

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Solution

The fourth proportional to 28,946,715,652.45, 39,947,437,592.81 and 16,086,897,537.24 is: 22,200,457,666.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,946,715,652.45 : 39,947,437,592.81 = 16,086,897,537.24 : x
  2. Step 2: Convert to fraction form
    28,946,715,652.45/39,947,437,592.81 = 16,086,897,537.24/x
  3. Step 3: Cross multiply
    28,946,715,652.45x = 39,947,437,592.81 × 16,086,897,537.24
  4. Step 4: Simplify right side
    28,946,715,652.45x = 642,630,335,430,855,884,800
  5. Step 5: Solve for x
    x = 642,630,335,430,855,884,800/28,946,715,652.45
  6. Step 6: Final answer
    x = 22,200,457,666.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.