Home / 680,804,352,431.80-1,021,206,528,647.70-256,331,796,911.80

Finding the Fourth Proportional to 680,804,352,431.80, 1,021,206,528,647.70 and 256,331,796,911.80

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Solution

The fourth proportional to 680,804,352,431.80, 1,021,206,528,647.70 and 256,331,796,911.80 is: 384,497,695,367.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,804,352,431.80 : 1,021,206,528,647.70 = 256,331,796,911.80 : x
  2. Step 2: Convert to fraction form
    680,804,352,431.80/1,021,206,528,647.70 = 256,331,796,911.80/x
  3. Step 3: Cross multiply
    680,804,352,431.80x = 1,021,206,528,647.70 × 256,331,796,911.80
  4. Step 4: Simplify right side
    680,804,352,431.80x = 261,767,704,506,326,486,876,160
  5. Step 5: Solve for x
    x = 261,767,704,506,326,486,876,160/680,804,352,431.80
  6. Step 6: Final answer
    x = 384,497,695,367.70

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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.