Home / 28,748,940,562.79-39,672,807,078.99-16,061,771,514.39

Finding the Fourth Proportional to 28,748,940,562.79, 39,672,807,078.99 and 16,061,771,514.39

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Solution

The fourth proportional to 28,748,940,562.79, 39,672,807,078.99 and 16,061,771,514.39 is: 22,164,836,343.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,748,940,562.79 : 39,672,807,078.99 = 16,061,771,514.39 : x
  2. Step 2: Convert to fraction form
    28,748,940,562.79/39,672,807,078.99 = 16,061,771,514.39/x
  3. Step 3: Cross multiply
    28,748,940,562.79x = 39,672,807,078.99 × 16,061,771,514.39
  4. Step 4: Simplify right side
    28,748,940,562.79x = 637,215,562,637,211,467,776
  5. Step 5: Solve for x
    x = 637,215,562,637,211,467,776/28,748,940,562.79
  6. Step 6: Final answer
    x = 22,164,836,343.99

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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.