Home / 1,280,623,421,928.10-1,920,864,425,815.60-936,377,193,955.30

Finding the Fourth Proportional to 1,280,623,421,928.10, 1,920,864,425,815.60 and 936,377,193,955.30

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Solution

The fourth proportional to 1,280,623,421,928.10, 1,920,864,425,815.60 and 936,377,193,955.30 is: 1,404,514,090,727.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,623,421,928.10 : 1,920,864,425,815.60 = 936,377,193,955.30 : x
  2. Step 2: Convert to fraction form
    1,280,623,421,928.10/1,920,864,425,815.60 = 936,377,193,955.30/x
  3. Step 3: Cross multiply
    1,280,623,421,928.10x = 1,920,864,425,815.60 × 936,377,193,955.30
  4. Step 4: Simplify right side
    1,280,623,421,928.10x = 1,798,653,641,013,770,355,474,432
  5. Step 5: Solve for x
    x = 1,798,653,641,013,770,355,474,432/1,280,623,421,928.10
  6. Step 6: Final answer
    x = 1,404,514,090,727.57

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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.