Home / 459,664,341.20-689,496,511.80-402,268,713.20

Finding the Fourth Proportional to 459,664,341.20, 689,496,511.80 and 402,268,713.20

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Solution

The fourth proportional to 459,664,341.20, 689,496,511.80 and 402,268,713.20 is: 603,403,069.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,664,341.20 : 689,496,511.80 = 402,268,713.20 : x
  2. Step 2: Convert to fraction form
    459,664,341.20/689,496,511.80 = 402,268,713.20/x
  3. Step 3: Cross multiply
    459,664,341.20x = 689,496,511.80 × 402,268,713.20
  4. Step 4: Simplify right side
    459,664,341.20x = 277,362,874,557,674,592
  5. Step 5: Solve for x
    x = 277,362,874,557,674,592/459,664,341.20
  6. Step 6: Final answer
    x = 603,403,069.80

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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.