Home / 945,562,490.73-1,418,896,436.49-682,988,121.45

Finding the Fourth Proportional to 945,562,490.73, 1,418,896,436.49 and 682,988,121.45

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Solution

The fourth proportional to 945,562,490.73, 1,418,896,436.49 and 682,988,121.45 is: 1,024,881,402.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,562,490.73 : 1,418,896,436.49 = 682,988,121.45 : x
  2. Step 2: Convert to fraction form
    945,562,490.73/1,418,896,436.49 = 682,988,121.45/x
  3. Step 3: Cross multiply
    945,562,490.73x = 1,418,896,436.49 × 682,988,121.45
  4. Step 4: Simplify right side
    945,562,490.73x = 969,089,411,690,404,352
  5. Step 5: Solve for x
    x = 969,089,411,690,404,352/945,562,490.73
  6. Step 6: Final answer
    x = 1,024,881,402.54

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1.5x scale

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.