Home / 697,039,748.20-1,045,559,622.30-665,295,005.80

Finding the Fourth Proportional to 697,039,748.20, 1,045,559,622.30 and 665,295,005.80

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Solution

The fourth proportional to 697,039,748.20, 1,045,559,622.30 and 665,295,005.80 is: 997,942,508.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,039,748.20 : 1,045,559,622.30 = 665,295,005.80 : x
  2. Step 2: Convert to fraction form
    697,039,748.20/1,045,559,622.30 = 665,295,005.80/x
  3. Step 3: Cross multiply
    697,039,748.20x = 1,045,559,622.30 × 665,295,005.80
  4. Step 4: Simplify right side
    697,039,748.20x = 695,605,594,982,324,224
  5. Step 5: Solve for x
    x = 695,605,594,982,324,224/697,039,748.20
  6. Step 6: Final answer
    x = 997,942,508.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.