Home / 2,164,058,038.44-2,986,148,150.02-1,211,490,937.32

Finding the Fourth Proportional to 2,164,058,038.44, 2,986,148,150.02 and 1,211,490,937.32

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Solution

The fourth proportional to 2,164,058,038.44, 2,986,148,150.02 and 1,211,490,937.32 is: 1,671,716,449.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,164,058,038.44 : 2,986,148,150.02 = 1,211,490,937.32 : x
  2. Step 2: Convert to fraction form
    2,164,058,038.44/2,986,148,150.02 = 1,211,490,937.32/x
  3. Step 3: Cross multiply
    2,164,058,038.44x = 2,986,148,150.02 × 1,211,490,937.32
  4. Step 4: Simplify right side
    2,164,058,038.44x = 3,617,691,421,244,113,408
  5. Step 5: Solve for x
    x = 3,617,691,421,244,113,408/2,164,058,038.44
  6. Step 6: Final answer
    x = 1,671,716,449.83

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Double scale
Find fourth proportional to 2,164,058,039.44, 2,986,148,151.40 and 1,211,490,938.32
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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.