Home / 1,186,209,122.13-1,636,968,564.18-657,571,768.65

Finding the Fourth Proportional to 1,186,209,122.13, 1,636,968,564.18 and 657,571,768.65

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Solution

The fourth proportional to 1,186,209,122.13, 1,636,968,564.18 and 657,571,768.65 is: 907,449,027.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,209,122.13 : 1,636,968,564.18 = 657,571,768.65 : x
  2. Step 2: Convert to fraction form
    1,186,209,122.13/1,636,968,564.18 = 657,571,768.65/x
  3. Step 3: Cross multiply
    1,186,209,122.13x = 1,636,968,564.18 × 657,571,768.65
  4. Step 4: Simplify right side
    1,186,209,122.13x = 1,076,424,313,972,293,632
  5. Step 5: Solve for x
    x = 1,076,424,313,972,293,632/1,186,209,122.13
  6. Step 6: Final answer
    x = 907,449,027.23

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Double scale
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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.