Home / 920,052,472.35-1,380,509,673.96-453,459,539.32

Finding the Fourth Proportional to 920,052,472.35, 1,380,509,673.96 and 453,459,539.32

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Solution

The fourth proportional to 920,052,472.35, 1,380,509,673.96 and 453,459,539.32 is: 680,401,715.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,052,472.35 : 1,380,509,673.96 = 453,459,539.32 : x
  2. Step 2: Convert to fraction form
    920,052,472.35/1,380,509,673.96 = 453,459,539.32/x
  3. Step 3: Cross multiply
    920,052,472.35x = 1,380,509,673.96 × 453,459,539.32
  4. Step 4: Simplify right side
    920,052,472.35x = 626,005,280,776,392,192
  5. Step 5: Solve for x
    x = 626,005,280,776,392,192/920,052,472.35
  6. Step 6: Final answer
    x = 680,401,715.76

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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.