Home / 559,080,780.34-771,525,190.34-304,756,563.74

Finding the Fourth Proportional to 559,080,780.34, 771,525,190.34 and 304,756,563.74

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Solution

The fourth proportional to 559,080,780.34, 771,525,190.34 and 304,756,563.74 is: 420,560,631.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,080,780.34 : 771,525,190.34 = 304,756,563.74 : x
  2. Step 2: Convert to fraction form
    559,080,780.34/771,525,190.34 = 304,756,563.74/x
  3. Step 3: Cross multiply
    559,080,780.34x = 771,525,190.34 × 304,756,563.74
  4. Step 4: Simplify right side
    559,080,780.34x = 235,127,365,846,867,872
  5. Step 5: Solve for x
    x = 235,127,365,846,867,872/559,080,780.34
  6. Step 6: Final answer
    x = 420,560,631.16

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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.