Home / 639,374,766.84-882,337,167.45-346,019,334.84

Finding the Fourth Proportional to 639,374,766.84, 882,337,167.45 and 346,019,334.84

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Solution

The fourth proportional to 639,374,766.84, 882,337,167.45 and 346,019,334.84 is: 477,506,676.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,374,766.84 : 882,337,167.45 = 346,019,334.84 : x
  2. Step 2: Convert to fraction form
    639,374,766.84/882,337,167.45 = 346,019,334.84/x
  3. Step 3: Cross multiply
    639,374,766.84x = 882,337,167.45 × 346,019,334.84
  4. Step 4: Simplify right side
    639,374,766.84x = 305,305,719,785,658,688
  5. Step 5: Solve for x
    x = 305,305,719,785,658,688/639,374,766.84
  6. Step 6: Final answer
    x = 477,506,676.24

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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.