Home / 335,958,080.64-503,828,186.40-128,685,461.92

Finding the Fourth Proportional to 335,958,080.64, 503,828,186.40 and 128,685,461.92

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Solution

The fourth proportional to 335,958,080.64, 503,828,186.40 and 128,685,461.92 is: 192,986,466.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,958,080.64 : 503,828,186.40 = 128,685,461.92 : x
  2. Step 2: Convert to fraction form
    335,958,080.64/503,828,186.40 = 128,685,461.92/x
  3. Step 3: Cross multiply
    335,958,080.64x = 503,828,186.40 × 128,685,461.92
  4. Step 4: Simplify right side
    335,958,080.64x = 64,835,362,895,199,856
  5. Step 5: Solve for x
    x = 64,835,362,895,199,856/335,958,080.64
  6. Step 6: Final answer
    x = 192,986,466.56

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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.