Home / 697,874,986.44-963,024,210.18-384,591,697.92

Finding the Fourth Proportional to 697,874,986.44, 963,024,210.18 and 384,591,697.92

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Solution

The fourth proportional to 697,874,986.44, 963,024,210.18 and 384,591,697.92 is: 530,712,696.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,874,986.44 : 963,024,210.18 = 384,591,697.92 : x
  2. Step 2: Convert to fraction form
    697,874,986.44/963,024,210.18 = 384,591,697.92/x
  3. Step 3: Cross multiply
    697,874,986.44x = 963,024,210.18 × 384,591,697.92
  4. Step 4: Simplify right side
    697,874,986.44x = 370,371,116,131,193,152
  5. Step 5: Solve for x
    x = 370,371,116,131,193,152/697,874,986.44
  6. Step 6: Final answer
    x = 530,712,696.87

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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.