Home / 276,735,888,912.40-415,103,833,368.60-77,989,178,055.40

Finding the Fourth Proportional to 276,735,888,912.40, 415,103,833,368.60 and 77,989,178,055.40

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Solution

The fourth proportional to 276,735,888,912.40, 415,103,833,368.60 and 77,989,178,055.40 is: 116,983,767,083.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,735,888,912.40 : 415,103,833,368.60 = 77,989,178,055.40 : x
  2. Step 2: Convert to fraction form
    276,735,888,912.40/415,103,833,368.60 = 77,989,178,055.40/x
  3. Step 3: Cross multiply
    276,735,888,912.40x = 415,103,833,368.60 × 77,989,178,055.40
  4. Step 4: Simplify right side
    276,735,888,912.40x = 32,373,606,772,062,833,082,368
  5. Step 5: Solve for x
    x = 32,373,606,772,062,833,082,368/276,735,888,912.40
  6. Step 6: Final answer
    x = 116,983,767,083.10

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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.