Home / 1,280,623,421,929.10-1,920,864,425,817.10-936,377,193,956.30

Finding the Fourth Proportional to 1,280,623,421,929.10, 1,920,864,425,817.10 and 936,377,193,956.30

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Solution

The fourth proportional to 1,280,623,421,929.10, 1,920,864,425,817.10 and 936,377,193,956.30 is: 1,404,514,090,729.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,623,421,929.10 : 1,920,864,425,817.10 = 936,377,193,956.30 : x
  2. Step 2: Convert to fraction form
    1,280,623,421,929.10/1,920,864,425,817.10 = 936,377,193,956.30/x
  3. Step 3: Cross multiply
    1,280,623,421,929.10x = 1,920,864,425,817.10 × 936,377,193,956.30
  4. Step 4: Simplify right side
    1,280,623,421,929.10x = 1,798,653,641,017,095,733,903,360
  5. Step 5: Solve for x
    x = 1,798,653,641,017,095,733,903,360/1,280,623,421,929.10
  6. Step 6: Final answer
    x = 1,404,514,090,729.07

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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.