Home / 857,446,206.09-1,286,246,031.54-332,803,008.39

Finding the Fourth Proportional to 857,446,206.09, 1,286,246,031.54 and 332,803,008.39

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Solution

The fourth proportional to 857,446,206.09, 1,286,246,031.54 and 332,803,008.39 is: 499,234,291.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,446,206.09 : 1,286,246,031.54 = 332,803,008.39 : x
  2. Step 2: Convert to fraction form
    857,446,206.09/1,286,246,031.54 = 332,803,008.39/x
  3. Step 3: Cross multiply
    857,446,206.09x = 1,286,246,031.54 × 332,803,008.39
  4. Step 4: Simplify right side
    857,446,206.09x = 428,066,548,826,210,816
  5. Step 5: Solve for x
    x = 428,066,548,826,210,816/857,446,206.09
  6. Step 6: Final answer
    x = 499,234,291.07

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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.