Home / 2,164,058,020.40-2,986,148,125.24-1,211,490,919.33

Finding the Fourth Proportional to 2,164,058,020.40, 2,986,148,125.24 and 1,211,490,919.33

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Solution

The fourth proportional to 2,164,058,020.40, 2,986,148,125.24 and 1,211,490,919.33 is: 1,671,716,425.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,164,058,020.40 : 2,986,148,125.24 = 1,211,490,919.33 : x
  2. Step 2: Convert to fraction form
    2,164,058,020.40/2,986,148,125.24 = 1,211,490,919.33/x
  3. Step 3: Cross multiply
    2,164,058,020.40x = 2,986,148,125.24 × 1,211,490,919.33
  4. Step 4: Simplify right side
    2,164,058,020.40x = 3,617,691,337,492,069,888
  5. Step 5: Solve for x
    x = 3,617,691,337,492,069,888/2,164,058,020.40
  6. Step 6: Final answer
    x = 1,671,716,425.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.