Home / 211,443,552,824.80-317,165,329,237.20-193,811,615,903.20

Finding the Fourth Proportional to 211,443,552,824.80, 317,165,329,237.20 and 193,811,615,903.20

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Solution

The fourth proportional to 211,443,552,824.80, 317,165,329,237.20 and 193,811,615,903.20 is: 290,717,423,854.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,443,552,824.80 : 317,165,329,237.20 = 193,811,615,903.20 : x
  2. Step 2: Convert to fraction form
    211,443,552,824.80/317,165,329,237.20 = 193,811,615,903.20/x
  3. Step 3: Cross multiply
    211,443,552,824.80x = 317,165,329,237.20 × 193,811,615,903.20
  4. Step 4: Simplify right side
    211,443,552,824.80x = 61,470,324,967,932,185,018,368
  5. Step 5: Solve for x
    x = 61,470,324,967,932,185,018,368/211,443,552,824.80
  6. Step 6: Final answer
    x = 290,717,423,854.80

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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.