Home / 382,898,411,698.84-528,398,525,305.44-209,283,450,588.88

Finding the Fourth Proportional to 382,898,411,698.84, 528,398,525,305.44 and 209,283,450,588.88

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Solution

The fourth proportional to 382,898,411,698.84, 528,398,525,305.44 and 209,283,450,588.88 is: 288,810,460,642.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,898,411,698.84 : 528,398,525,305.44 = 209,283,450,588.88 : x
  2. Step 2: Convert to fraction form
    382,898,411,698.84/528,398,525,305.44 = 209,283,450,588.88/x
  3. Step 3: Cross multiply
    382,898,411,698.84x = 528,398,525,305.44 × 209,283,450,588.88
  4. Step 4: Simplify right side
    382,898,411,698.84x = 110,585,066,661,998,116,208,640
  5. Step 5: Solve for x
    x = 110,585,066,661,998,116,208,640/382,898,411,698.84
  6. Step 6: Final answer
    x = 288,810,460,642.43

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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.