Home / 677,046,799,032.84-934,296,383,827.34-368,399,370,148.72

Finding the Fourth Proportional to 677,046,799,032.84, 934,296,383,827.34 and 368,399,370,148.72

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Solution

The fourth proportional to 677,046,799,032.84, 934,296,383,827.34 and 368,399,370,148.72 is: 508,375,787,059.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,046,799,032.84 : 934,296,383,827.34 = 368,399,370,148.72 : x
  2. Step 2: Convert to fraction form
    677,046,799,032.84/934,296,383,827.34 = 368,399,370,148.72/x
  3. Step 3: Cross multiply
    677,046,799,032.84x = 934,296,383,827.34 × 368,399,370,148.72
  4. Step 4: Simplify right side
    677,046,799,032.84x = 344,194,199,334,218,733,977,600
  5. Step 5: Solve for x
    x = 344,194,199,334,218,733,977,600/677,046,799,032.84
  6. Step 6: Final answer
    x = 508,375,787,059.18

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Double scale
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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.