Home / 19,701,807,665.86-29,599,857,636.54-12,633,139,656.10

Finding the Fourth Proportional to 19,701,807,665.86, 29,599,857,636.54 and 12,633,139,656.10

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Solution

The fourth proportional to 19,701,807,665.86, 29,599,857,636.54 and 12,633,139,656.10 is: 18,979,940,402.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,701,807,665.86 : 29,599,857,636.54 = 12,633,139,656.10 : x
  2. Step 2: Convert to fraction form
    19,701,807,665.86/29,599,857,636.54 = 12,633,139,656.10/x
  3. Step 3: Cross multiply
    19,701,807,665.86x = 29,599,857,636.54 × 12,633,139,656.10
  4. Step 4: Simplify right side
    19,701,807,665.86x = 373,939,135,323,087,896,576
  5. Step 5: Solve for x
    x = 373,939,135,323,087,896,576/19,701,807,665.86
  6. Step 6: Final answer
    x = 18,979,940,402.68

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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.