Home / 1,345,477,941.60-2,018,216,912.40-982,680,885.60

Finding the Fourth Proportional to 1,345,477,941.60, 2,018,216,912.40 and 982,680,885.60

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Solution

The fourth proportional to 1,345,477,941.60, 2,018,216,912.40 and 982,680,885.60 is: 1,474,021,328.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,477,941.60 : 2,018,216,912.40 = 982,680,885.60 : x
  2. Step 2: Convert to fraction form
    1,345,477,941.60/2,018,216,912.40 = 982,680,885.60/x
  3. Step 3: Cross multiply
    1,345,477,941.60x = 2,018,216,912.40 × 982,680,885.60
  4. Step 4: Simplify right side
    1,345,477,941.60x = 1,983,263,182,810,129,664
  5. Step 5: Solve for x
    x = 1,983,263,182,810,129,664/1,345,477,941.60
  6. Step 6: Final answer
    x = 1,474,021,328.40

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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.