Home / 841,488,619.42-1,262,232,940.08-228,072,845.17

Finding the Fourth Proportional to 841,488,619.42, 1,262,232,940.08 and 228,072,845.17

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Solution

The fourth proportional to 841,488,619.42, 1,262,232,940.08 and 228,072,845.17 is: 342,109,270.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,488,619.42 : 1,262,232,940.08 = 228,072,845.17 : x
  2. Step 2: Convert to fraction form
    841,488,619.42/1,262,232,940.08 = 228,072,845.17/x
  3. Step 3: Cross multiply
    841,488,619.42x = 1,262,232,940.08 × 228,072,845.17
  4. Step 4: Simplify right side
    841,488,619.42x = 287,881,057,911,339,680
  5. Step 5: Solve for x
    x = 287,881,057,911,339,680/841,488,619.42
  6. Step 6: Final answer
    x = 342,109,270.72

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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.