Home / 825,032,168,128.74-1,237,547,960,916.30-220,641,665,316.97

Finding the Fourth Proportional to 825,032,168,128.74, 1,237,547,960,916.30 and 220,641,665,316.97

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Solution

The fourth proportional to 825,032,168,128.74, 1,237,547,960,916.30 and 220,641,665,316.97 is: 330,962,420,078.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,032,168,128.74 : 1,237,547,960,916.30 = 220,641,665,316.97 : x
  2. Step 2: Convert to fraction form
    825,032,168,128.74/1,237,547,960,916.30 = 220,641,665,316.97/x
  3. Step 3: Cross multiply
    825,032,168,128.74x = 1,237,547,960,916.30 × 220,641,665,316.97
  4. Step 4: Simplify right side
    825,032,168,128.74x = 273,054,643,006,192,935,239,680
  5. Step 5: Solve for x
    x = 273,054,643,006,192,935,239,680/825,032,168,128.74
  6. Step 6: Final answer
    x = 330,962,420,078.13

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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.