Home / 1,235,830,538.40-1,854,940,201.20-623,106,621.60

Finding the Fourth Proportional to 1,235,830,538.40, 1,854,940,201.20 and 623,106,621.60

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Solution

The fourth proportional to 1,235,830,538.40, 1,854,940,201.20 and 623,106,621.60 is: 935,262,146.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,830,538.40 : 1,854,940,201.20 = 623,106,621.60 : x
  2. Step 2: Convert to fraction form
    1,235,830,538.40/1,854,940,201.20 = 623,106,621.60/x
  3. Step 3: Cross multiply
    1,235,830,538.40x = 1,854,940,201.20 × 623,106,621.60
  4. Step 4: Simplify right side
    1,235,830,538.40x = 1,155,825,522,039,756,288
  5. Step 5: Solve for x
    x = 1,155,825,522,039,756,288/1,235,830,538.40
  6. Step 6: Final answer
    x = 935,262,146.49

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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.