Home / 640,747,877,830.26-884,232,725,799.96-347,772,861,041.61

Finding the Fourth Proportional to 640,747,877,830.26, 884,232,725,799.96 and 347,772,861,041.61

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Solution

The fourth proportional to 640,747,877,830.26, 884,232,725,799.96 and 347,772,861,041.61 is: 479,926,903,416.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,747,877,830.26 : 884,232,725,799.96 = 347,772,861,041.61 : x
  2. Step 2: Convert to fraction form
    640,747,877,830.26/884,232,725,799.96 = 347,772,861,041.61/x
  3. Step 3: Cross multiply
    640,747,877,830.26x = 884,232,725,799.96 × 347,772,861,041.61
  4. Step 4: Simplify right side
    640,747,877,830.26x = 307,512,144,878,073,490,178,048
  5. Step 5: Solve for x
    x = 307,512,144,878,073,490,178,048/640,747,877,830.26
  6. Step 6: Final answer
    x = 479,926,903,416.97

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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.