Home / 697,729,738.35-962,823,654.66-384,446,420.67

Finding the Fourth Proportional to 697,729,738.35, 962,823,654.66 and 384,446,420.67

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Solution

The fourth proportional to 697,729,738.35, 962,823,654.66 and 384,446,420.67 is: 530,512,155.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,729,738.35 : 962,823,654.66 = 384,446,420.67 : x
  2. Step 2: Convert to fraction form
    697,729,738.35/962,823,654.66 = 384,446,420.67/x
  3. Step 3: Cross multiply
    697,729,738.35x = 962,823,654.66 × 384,446,420.67
  4. Step 4: Simplify right side
    697,729,738.35x = 370,154,107,770,445,184
  5. Step 5: Solve for x
    x = 370,154,107,770,445,184/697,729,738.35
  6. Step 6: Final answer
    x = 530,512,155.96

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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.