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Finding the Fourth Proportional to 1,169,507,897.03, 1,614,000,081.69 and 660,694,137.76

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Solution

The fourth proportional to 1,169,507,897.03, 1,614,000,081.69 and 660,694,137.76 is: 911,802,643.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169,507,897.03 : 1,614,000,081.69 = 660,694,137.76 : x
  2. Step 2: Convert to fraction form
    1,169,507,897.03/1,614,000,081.69 = 660,694,137.76/x
  3. Step 3: Cross multiply
    1,169,507,897.03x = 1,614,000,081.69 × 660,694,137.76
  4. Step 4: Simplify right side
    1,169,507,897.03x = 1,066,360,392,318,761,728
  5. Step 5: Solve for x
    x = 1,066,360,392,318,761,728/1,169,507,897.03
  6. Step 6: Final answer
    x = 911,802,643.68

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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.