Home / 382,695,545,004.63-528,120,063,996.87-206,712,010,136.80

Finding the Fourth Proportional to 382,695,545,004.63, 528,120,063,996.87 and 206,712,010,136.80

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Solution

The fourth proportional to 382,695,545,004.63, 528,120,063,996.87 and 206,712,010,136.80 is: 285,262,688,440.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,695,545,004.63 : 528,120,063,996.87 = 206,712,010,136.80 : x
  2. Step 2: Convert to fraction form
    382,695,545,004.63/528,120,063,996.87 = 206,712,010,136.80/x
  3. Step 3: Cross multiply
    382,695,545,004.63x = 528,120,063,996.87 × 206,712,010,136.80
  4. Step 4: Simplify right side
    382,695,545,004.63x = 109,168,760,022,368,440,549,376
  5. Step 5: Solve for x
    x = 109,168,760,022,368,440,549,376/382,695,545,004.63
  6. Step 6: Final answer
    x = 285,262,688,440.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.