Home / 1,517,131,788,837.50-2,275,831,465,444.30-428,038,315,038.85

Finding the Fourth Proportional to 1,517,131,788,837.50, 2,275,831,465,444.30 and 428,038,315,038.85

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Solution

The fourth proportional to 1,517,131,788,837.50, 2,275,831,465,444.30 and 428,038,315,038.85 is: 642,095,217,402.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517,131,788,837.50 : 2,275,831,465,444.30 = 428,038,315,038.85 : x
  2. Step 2: Convert to fraction form
    1,517,131,788,837.50/2,275,831,465,444.30 = 428,038,315,038.85/x
  3. Step 3: Cross multiply
    1,517,131,788,837.50x = 2,275,831,465,444.30 × 428,038,315,038.85
  4. Step 4: Simplify right side
    1,517,131,788,837.50x = 974,143,065,781,174,758,539,264
  5. Step 5: Solve for x
    x = 974,143,065,781,174,758,539,264/1,517,131,788,837.50
  6. Step 6: Final answer
    x = 642,095,217,402.05

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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.