Home / 1,280,623,421,930.20-1,920,864,425,818.70-936,377,193,957.40

Finding the Fourth Proportional to 1,280,623,421,930.20, 1,920,864,425,818.70 and 936,377,193,957.40

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Solution

The fourth proportional to 1,280,623,421,930.20, 1,920,864,425,818.70 and 936,377,193,957.40 is: 1,404,514,090,730.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,623,421,930.20 : 1,920,864,425,818.70 = 936,377,193,957.40 : x
  2. Step 2: Convert to fraction form
    1,280,623,421,930.20/1,920,864,425,818.70 = 936,377,193,957.40/x
  3. Step 3: Cross multiply
    1,280,623,421,930.20x = 1,920,864,425,818.70 × 936,377,193,957.40
  4. Step 4: Simplify right side
    1,280,623,421,930.20x = 1,798,653,641,020,706,727,657,472
  5. Step 5: Solve for x
    x = 1,798,653,641,020,706,727,657,472/1,280,623,421,930.20
  6. Step 6: Final answer
    x = 1,404,514,090,730.68

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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.