Home / 402,880,112.48-554,631,497.32-384,370,022.44

Finding the Fourth Proportional to 402,880,112.48, 554,631,497.32 and 384,370,022.44

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Solution

The fourth proportional to 402,880,112.48, 554,631,497.32 and 384,370,022.44 is: 529,149,279.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,880,112.48 : 554,631,497.32 = 384,370,022.44 : x
  2. Step 2: Convert to fraction form
    402,880,112.48/554,631,497.32 = 384,370,022.44/x
  3. Step 3: Cross multiply
    402,880,112.48x = 554,631,497.32 × 384,370,022.44
  4. Step 4: Simplify right side
    402,880,112.48x = 213,183,721,070,819,232
  5. Step 5: Solve for x
    x = 213,183,721,070,819,232/402,880,112.48
  6. Step 6: Final answer
    x = 529,149,279.07

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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.