Home / 697,729,739.35-962,823,656.04-384,446,421.67

Finding the Fourth Proportional to 697,729,739.35, 962,823,656.04 and 384,446,421.67

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Solution

The fourth proportional to 697,729,739.35, 962,823,656.04 and 384,446,421.67 is: 530,512,157.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,729,739.35 : 962,823,656.04 = 384,446,421.67 : x
  2. Step 2: Convert to fraction form
    697,729,739.35/962,823,656.04 = 384,446,421.67/x
  3. Step 3: Cross multiply
    697,729,739.35x = 962,823,656.04 × 384,446,421.67
  4. Step 4: Simplify right side
    697,729,739.35x = 370,154,109,263,804,864
  5. Step 5: Solve for x
    x = 370,154,109,263,804,864/697,729,739.35
  6. Step 6: Final answer
    x = 530,512,157.34

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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.