Home / 382,695,545,022.66-528,120,064,021.80-206,712,010,154.82

Finding the Fourth Proportional to 382,695,545,022.66, 528,120,064,021.80 and 206,712,010,154.82

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Solution

The fourth proportional to 382,695,545,022.66, 528,120,064,021.80 and 206,712,010,154.82 is: 285,262,688,465.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,695,545,022.66 : 528,120,064,021.80 = 206,712,010,154.82 : x
  2. Step 2: Convert to fraction form
    382,695,545,022.66/528,120,064,021.80 = 206,712,010,154.82/x
  3. Step 3: Cross multiply
    382,695,545,022.66x = 528,120,064,021.80 × 206,712,010,154.82
  4. Step 4: Simplify right side
    382,695,545,022.66x = 109,168,760,037,038,505,328,640
  5. Step 5: Solve for x
    x = 109,168,760,037,038,505,328,640/382,695,545,022.66
  6. Step 6: Final answer
    x = 285,262,688,465.77

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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.