Home / 459,664,291.20-689,496,436.80-402,268,663.20

Finding the Fourth Proportional to 459,664,291.20, 689,496,436.80 and 402,268,663.20

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Solution

The fourth proportional to 459,664,291.20, 689,496,436.80 and 402,268,663.20 is: 603,402,994.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,664,291.20 : 689,496,436.80 = 402,268,663.20 : x
  2. Step 2: Convert to fraction form
    459,664,291.20/689,496,436.80 = 402,268,663.20/x
  3. Step 3: Cross multiply
    459,664,291.20x = 689,496,436.80 × 402,268,663.20
  4. Step 4: Simplify right side
    459,664,291.20x = 277,362,809,912,699,264
  5. Step 5: Solve for x
    x = 277,362,809,912,699,264/459,664,291.20
  6. Step 6: Final answer
    x = 603,402,994.80

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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.