Home / 1,517,131,788,835.60-2,275,831,465,441.40-428,038,315,036.85

Finding the Fourth Proportional to 1,517,131,788,835.60, 2,275,831,465,441.40 and 428,038,315,036.85

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Solution

The fourth proportional to 1,517,131,788,835.60, 2,275,831,465,441.40 and 428,038,315,036.85 is: 642,095,217,399.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517,131,788,835.60 : 2,275,831,465,441.40 = 428,038,315,036.85 : x
  2. Step 2: Convert to fraction form
    1,517,131,788,835.60/2,275,831,465,441.40 = 428,038,315,036.85/x
  3. Step 3: Cross multiply
    1,517,131,788,835.60x = 2,275,831,465,441.40 × 428,038,315,036.85
  4. Step 4: Simplify right side
    1,517,131,788,835.60x = 974,143,065,775,381,921,398,784
  5. Step 5: Solve for x
    x = 974,143,065,775,381,921,398,784/1,517,131,788,835.60
  6. Step 6: Final answer
    x = 642,095,217,399.04

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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.