Home / 330,210,392.10-455,663,254.77-194,399,072.34

Finding the Fourth Proportional to 330,210,392.10, 455,663,254.77 and 194,399,072.34

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Solution

The fourth proportional to 330,210,392.10, 455,663,254.77 and 194,399,072.34 is: 268,254,773.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,210,392.10 : 455,663,254.77 = 194,399,072.34 : x
  2. Step 2: Convert to fraction form
    330,210,392.10/455,663,254.77 = 194,399,072.34/x
  3. Step 3: Cross multiply
    330,210,392.10x = 455,663,254.77 × 194,399,072.34
  4. Step 4: Simplify right side
    330,210,392.10x = 88,580,514,026,713,072
  5. Step 5: Solve for x
    x = 88,580,514,026,713,072/330,210,392.10
  6. Step 6: Final answer
    x = 268,254,773.76

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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.