Home / 920,886,986.02-1,380,826,025.26-453,520,664.86

Finding the Fourth Proportional to 920,886,986.02, 1,380,826,025.26 and 453,520,664.86

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Solution

The fourth proportional to 920,886,986.02, 1,380,826,025.26 and 453,520,664.86 is: 680,032,562.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,886,986.02 : 1,380,826,025.26 = 453,520,664.86 : x
  2. Step 2: Convert to fraction form
    920,886,986.02/1,380,826,025.26 = 453,520,664.86/x
  3. Step 3: Cross multiply
    920,886,986.02x = 1,380,826,025.26 × 453,520,664.86
  4. Step 4: Simplify right side
    920,886,986.02x = 626,233,137,031,906,432
  5. Step 5: Solve for x
    x = 626,233,137,031,906,432/920,886,986.02
  6. Step 6: Final answer
    x = 680,032,562.67

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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.