Home / 308,126,564.63-424,966,721.84-270,877,200.64

Finding the Fourth Proportional to 308,126,564.63, 424,966,721.84 and 270,877,200.64

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Solution

The fourth proportional to 308,126,564.63, 424,966,721.84 and 270,877,200.64 is: 373,592,572.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,126,564.63 : 424,966,721.84 = 270,877,200.64 : x
  2. Step 2: Convert to fraction form
    308,126,564.63/424,966,721.84 = 270,877,200.64/x
  3. Step 3: Cross multiply
    308,126,564.63x = 424,966,721.84 × 270,877,200.64
  4. Step 4: Simplify right side
    308,126,564.63x = 115,113,795,975,775,728
  5. Step 5: Solve for x
    x = 115,113,795,975,775,728/308,126,564.63
  6. Step 6: Final answer
    x = 373,592,572.63

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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.