Home / 1,071,351,431.70-1,478,626,336.98-653,906,297.67

Finding the Fourth Proportional to 1,071,351,431.70, 1,478,626,336.98 and 653,906,297.67

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Solution

The fourth proportional to 1,071,351,431.70, 1,478,626,336.98 and 653,906,297.67 is: 902,489,178.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,351,431.70 : 1,478,626,336.98 = 653,906,297.67 : x
  2. Step 2: Convert to fraction form
    1,071,351,431.70/1,478,626,336.98 = 653,906,297.67/x
  3. Step 3: Cross multiply
    1,071,351,431.70x = 1,478,626,336.98 × 653,906,297.67
  4. Step 4: Simplify right side
    1,071,351,431.70x = 966,883,073,651,945,600
  5. Step 5: Solve for x
    x = 966,883,073,651,945,600/1,071,351,431.70
  6. Step 6: Final answer
    x = 902,489,178.66

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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.