Home / 1,517,131,788,827.50-2,275,831,465,428.90-428,038,315,028.93

Finding the Fourth Proportional to 1,517,131,788,827.50, 2,275,831,465,428.90 and 428,038,315,028.93

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Solution

The fourth proportional to 1,517,131,788,827.50, 2,275,831,465,428.90 and 428,038,315,028.93 is: 642,095,217,387.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517,131,788,827.50 : 2,275,831,465,428.90 = 428,038,315,028.93 : x
  2. Step 2: Convert to fraction form
    1,517,131,788,827.50/2,275,831,465,428.90 = 428,038,315,028.93/x
  3. Step 3: Cross multiply
    1,517,131,788,827.50x = 2,275,831,465,428.90 × 428,038,315,028.93
  4. Step 4: Simplify right side
    1,517,131,788,827.50x = 974,143,065,752,006,830,325,760
  5. Step 5: Solve for x
    x = 974,143,065,752,006,830,325,760/1,517,131,788,827.50
  6. Step 6: Final answer
    x = 642,095,217,387.06

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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.