Home / 479,705,333.12-661,993,573.44-259,688,752

Finding the Fourth Proportional to 479,705,333.12, 661,993,573.44 and 259,688,752

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Solution

The fourth proportional to 479,705,333.12, 661,993,573.44 and 259,688,752 is: 358,370,593.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,705,333.12 : 661,993,573.44 = 259,688,752 : x
  2. Step 2: Convert to fraction form
    479,705,333.12/661,993,573.44 = 259,688,752/x
  3. Step 3: Cross multiply
    479,705,333.12x = 661,993,573.44 × 259,688,752
  4. Step 4: Simplify right side
    479,705,333.12x = 171,912,284,918,653,952
  5. Step 5: Solve for x
    x = 171,912,284,918,653,952/479,705,333.12
  6. Step 6: Final answer
    x = 358,370,593.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.