Home / 452,355,747.12-624,071,420.91-261,581,512.32

Finding the Fourth Proportional to 452,355,747.12, 624,071,420.91 and 261,581,512.32

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Solution

The fourth proportional to 452,355,747.12, 624,071,420.91 and 261,581,512.32 is: 360,878,682.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,355,747.12 : 624,071,420.91 = 261,581,512.32 : x
  2. Step 2: Convert to fraction form
    452,355,747.12/624,071,420.91 = 261,581,512.32/x
  3. Step 3: Cross multiply
    452,355,747.12x = 624,071,420.91 × 261,581,512.32
  4. Step 4: Simplify right side
    452,355,747.12x = 163,245,546,077,329,056
  5. Step 5: Solve for x
    x = 163,245,546,077,329,056/452,355,747.12
  6. Step 6: Final answer
    x = 360,878,682.58

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.