Home / 880,892,542,911.80-1,321,339,180,646.70-396,280,718,834.40

Finding the Fourth Proportional to 880,892,542,911.80, 1,321,339,180,646.70 and 396,280,718,834.40

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Solution

The fourth proportional to 880,892,542,911.80, 1,321,339,180,646.70 and 396,280,718,834.40 is: 594,421,243,026.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,892,542,911.80 : 1,321,339,180,646.70 = 396,280,718,834.40 : x
  2. Step 2: Convert to fraction form
    880,892,542,911.80/1,321,339,180,646.70 = 396,280,718,834.40/x
  3. Step 3: Cross multiply
    880,892,542,911.80x = 1,321,339,180,646.70 × 396,280,718,834.40
  4. Step 4: Simplify right side
    880,892,542,911.80x = 523,621,240,330,731,397,316,608
  5. Step 5: Solve for x
    x = 523,621,240,330,731,397,316,608/880,892,542,911.80
  6. Step 6: Final answer
    x = 594,421,243,026.87

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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.