Home / 382,695,545,015.16-528,120,064,011.42-206,712,010,147.30

Finding the Fourth Proportional to 382,695,545,015.16, 528,120,064,011.42 and 206,712,010,147.30

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Solution

The fourth proportional to 382,695,545,015.16, 528,120,064,011.42 and 206,712,010,147.30 is: 285,262,688,455.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,695,545,015.16 : 528,120,064,011.42 = 206,712,010,147.30 : x
  2. Step 2: Convert to fraction form
    382,695,545,015.16/528,120,064,011.42 = 206,712,010,147.30/x
  3. Step 3: Cross multiply
    382,695,545,015.16x = 528,120,064,011.42 × 206,712,010,147.30
  4. Step 4: Simplify right side
    382,695,545,015.16x = 109,168,760,030,921,364,602,880
  5. Step 5: Solve for x
    x = 109,168,760,030,921,364,602,880/382,695,545,015.16
  6. Step 6: Final answer
    x = 285,262,688,455.38

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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.