Home / 1,020,295,956,491.40-1,408,008,366,110.10-551,006,487,162.42

Finding the Fourth Proportional to 1,020,295,956,491.40, 1,408,008,366,110.10 and 551,006,487,162.42

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Solution

The fourth proportional to 1,020,295,956,491.40, 1,408,008,366,110.10 and 551,006,487,162.42 is: 760,388,923,203.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,295,956,491.40 : 1,408,008,366,110.10 = 551,006,487,162.42 : x
  2. Step 2: Convert to fraction form
    1,020,295,956,491.40/1,408,008,366,110.10 = 551,006,487,162.42/x
  3. Step 3: Cross multiply
    1,020,295,956,491.40x = 1,408,008,366,110.10 × 551,006,487,162.42
  4. Step 4: Simplify right side
    1,020,295,956,491.40x = 775,821,743,705,624,904,990,720
  5. Step 5: Solve for x
    x = 775,821,743,705,624,904,990,720/1,020,295,956,491.40
  6. Step 6: Final answer
    x = 760,388,923,203.74

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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.