Home / 987,045,698.03-1,362,269,257.54-624,973,314.96

Finding the Fourth Proportional to 987,045,698.03, 1,362,269,257.54 and 624,973,314.96

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Solution

The fourth proportional to 987,045,698.03, 1,362,269,257.54 and 624,973,314.96 is: 862,555,741.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,045,698.03 : 1,362,269,257.54 = 624,973,314.96 : x
  2. Step 2: Convert to fraction form
    987,045,698.03/1,362,269,257.54 = 624,973,314.96/x
  3. Step 3: Cross multiply
    987,045,698.03x = 1,362,269,257.54 × 624,973,314.96
  4. Step 4: Simplify right side
    987,045,698.03x = 851,381,933,752,871,808
  5. Step 5: Solve for x
    x = 851,381,933,752,871,808/987,045,698.03
  6. Step 6: Final answer
    x = 862,555,741.29

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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.