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Finding the Fourth Proportional to 611,980,068.60, 844,535,354.64 and 347,676,564.68

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Solution

The fourth proportional to 611,980,068.60, 844,535,354.64 and 347,676,564.68 is: 479,795,284.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,980,068.60 : 844,535,354.64 = 347,676,564.68 : x
  2. Step 2: Convert to fraction form
    611,980,068.60/844,535,354.64 = 347,676,564.68/x
  3. Step 3: Cross multiply
    611,980,068.60x = 844,535,354.64 × 347,676,564.68
  4. Step 4: Simplify right side
    611,980,068.60x = 293,625,150,852,648,512
  5. Step 5: Solve for x
    x = 293,625,150,852,648,512/611,980,068.60
  6. Step 6: Final answer
    x = 479,795,284.06

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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.