Home / 453,006,035.46-679,509,841.40-142,137,508.29

Finding the Fourth Proportional to 453,006,035.46, 679,509,841.40 and 142,137,508.29

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Solution

The fourth proportional to 453,006,035.46, 679,509,841.40 and 142,137,508.29 is: 213,206,509.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,006,035.46 : 679,509,841.40 = 142,137,508.29 : x
  2. Step 2: Convert to fraction form
    453,006,035.46/679,509,841.40 = 142,137,508.29/x
  3. Step 3: Cross multiply
    453,006,035.46x = 679,509,841.40 × 142,137,508.29
  4. Step 4: Simplify right side
    453,006,035.46x = 96,583,835,715,129,072
  5. Step 5: Solve for x
    x = 96,583,835,715,129,072/453,006,035.46
  6. Step 6: Final answer
    x = 213,206,509.75

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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.