Home / 987,045,697.03-1,362,269,256.16-624,973,313.96

Finding the Fourth Proportional to 987,045,697.03, 1,362,269,256.16 and 624,973,313.96

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Solution

The fourth proportional to 987,045,697.03, 1,362,269,256.16 and 624,973,313.96 is: 862,555,739.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,045,697.03 : 1,362,269,256.16 = 624,973,313.96 : x
  2. Step 2: Convert to fraction form
    987,045,697.03/1,362,269,256.16 = 624,973,313.96/x
  3. Step 3: Cross multiply
    987,045,697.03x = 1,362,269,256.16 × 624,973,313.96
  4. Step 4: Simplify right side
    987,045,697.03x = 851,381,931,519,765,632
  5. Step 5: Solve for x
    x = 851,381,931,519,765,632/987,045,697.03
  6. Step 6: Final answer
    x = 862,555,739.91

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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.