Home / 1,235,830,564.40-1,854,940,240.20-623,106,647.60

Finding the Fourth Proportional to 1,235,830,564.40, 1,854,940,240.20 and 623,106,647.60

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Solution

The fourth proportional to 1,235,830,564.40, 1,854,940,240.20 and 623,106,647.60 is: 935,262,185.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,830,564.40 : 1,854,940,240.20 = 623,106,647.60 : x
  2. Step 2: Convert to fraction form
    1,235,830,564.40/1,854,940,240.20 = 623,106,647.60/x
  3. Step 3: Cross multiply
    1,235,830,564.40x = 1,854,940,240.20 × 623,106,647.60
  4. Step 4: Simplify right side
    1,235,830,564.40x = 1,155,825,594,569,360,896
  5. Step 5: Solve for x
    x = 1,155,825,594,569,360,896/1,235,830,564.40
  6. Step 6: Final answer
    x = 935,262,185.50

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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.