Home / 507,460,633.85-700,283,175.08-281,398,368.35

Finding the Fourth Proportional to 507,460,633.85, 700,283,175.08 and 281,398,368.35

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Solution

The fourth proportional to 507,460,633.85, 700,283,175.08 and 281,398,368.35 is: 388,322,816.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,460,633.85 : 700,283,175.08 = 281,398,368.35 : x
  2. Step 2: Convert to fraction form
    507,460,633.85/700,283,175.08 = 281,398,368.35/x
  3. Step 3: Cross multiply
    507,460,633.85x = 700,283,175.08 × 281,398,368.35
  4. Step 4: Simplify right side
    507,460,633.85x = 197,058,542,848,015,200
  5. Step 5: Solve for x
    x = 197,058,542,848,015,200/507,460,633.85
  6. Step 6: Final answer
    x = 388,322,816.99

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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.