Home / 459,664,228.20-689,496,342.30-402,268,600.20

Finding the Fourth Proportional to 459,664,228.20, 689,496,342.30 and 402,268,600.20

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Solution

The fourth proportional to 459,664,228.20, 689,496,342.30 and 402,268,600.20 is: 603,402,900.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,664,228.20 : 689,496,342.30 = 402,268,600.20 : x
  2. Step 2: Convert to fraction form
    459,664,228.20/689,496,342.30 = 402,268,600.20/x
  3. Step 3: Cross multiply
    459,664,228.20x = 689,496,342.30 × 402,268,600.20
  4. Step 4: Simplify right side
    459,664,228.20x = 277,362,728,460,041,024
  5. Step 5: Solve for x
    x = 277,362,728,460,041,024/459,664,228.20
  6. Step 6: Final answer
    x = 603,402,900.30

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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.