Home / 696,607,485.60-1,043,903,458.80-308,112,304.80

Finding the Fourth Proportional to 696,607,485.60, 1,043,903,458.80 and 308,112,304.80

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Solution

The fourth proportional to 696,607,485.60, 1,043,903,458.80 and 308,112,304.80 is: 461,722,716.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,607,485.60 : 1,043,903,458.80 = 308,112,304.80 : x
  2. Step 2: Convert to fraction form
    696,607,485.60/1,043,903,458.80 = 308,112,304.80/x
  3. Step 3: Cross multiply
    696,607,485.60x = 1,043,903,458.80 × 308,112,304.80
  4. Step 4: Simplify right side
    696,607,485.60x = 321,639,500,679,559,808
  5. Step 5: Solve for x
    x = 321,639,500,679,559,808/696,607,485.60
  6. Step 6: Final answer
    x = 461,722,716.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.