Home / 382,695,545,016.16-528,120,064,012.80-206,712,010,148.29

Finding the Fourth Proportional to 382,695,545,016.16, 528,120,064,012.80 and 206,712,010,148.29

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Solution

The fourth proportional to 382,695,545,016.16, 528,120,064,012.80 and 206,712,010,148.29 is: 285,262,688,456.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,695,545,016.16 : 528,120,064,012.80 = 206,712,010,148.29 : x
  2. Step 2: Convert to fraction form
    382,695,545,016.16/528,120,064,012.80 = 206,712,010,148.29/x
  3. Step 3: Cross multiply
    382,695,545,016.16x = 528,120,064,012.80 × 206,712,010,148.29
  4. Step 4: Simplify right side
    382,695,545,016.16x = 109,168,760,031,729,472,765,952
  5. Step 5: Solve for x
    x = 109,168,760,031,729,472,765,952/382,695,545,016.16
  6. Step 6: Final answer
    x = 285,262,688,456.75

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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.