Home / 680,804,352,192.80-1,021,206,528,289.20-256,331,796,672.80

Finding the Fourth Proportional to 680,804,352,192.80, 1,021,206,528,289.20 and 256,331,796,672.80

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Solution

The fourth proportional to 680,804,352,192.80, 1,021,206,528,289.20 and 256,331,796,672.80 is: 384,497,695,009.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,804,352,192.80 : 1,021,206,528,289.20 = 256,331,796,672.80 : x
  2. Step 2: Convert to fraction form
    680,804,352,192.80/1,021,206,528,289.20 = 256,331,796,672.80/x
  3. Step 3: Cross multiply
    680,804,352,192.80x = 1,021,206,528,289.20 × 256,331,796,672.80
  4. Step 4: Simplify right side
    680,804,352,192.80x = 261,767,704,170,363,172,683,776
  5. Step 5: Solve for x
    x = 261,767,704,170,363,172,683,776/680,804,352,192.80
  6. Step 6: Final answer
    x = 384,497,695,009.20

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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.