Home / 920,052,474.34-1,380,509,676.96-453,459,541.32

Finding the Fourth Proportional to 920,052,474.34, 1,380,509,676.96 and 453,459,541.32

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Solution

The fourth proportional to 920,052,474.34, 1,380,509,676.96 and 453,459,541.32 is: 680,401,718.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,052,474.34 : 1,380,509,676.96 = 453,459,541.32 : x
  2. Step 2: Convert to fraction form
    920,052,474.34/1,380,509,676.96 = 453,459,541.32/x
  3. Step 3: Cross multiply
    920,052,474.34x = 1,380,509,676.96 × 453,459,541.32
  4. Step 4: Simplify right side
    920,052,474.34x = 626,005,284,902,103,040
  5. Step 5: Solve for x
    x = 626,005,284,902,103,040/920,052,474.34
  6. Step 6: Final answer
    x = 680,401,718.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.