Home / 3,101,493,678.39-4,280,088,591.63-1,691,803,910.61

Finding the Fourth Proportional to 3,101,493,678.39, 4,280,088,591.63 and 1,691,803,910.61

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Solution

The fourth proportional to 3,101,493,678.39, 4,280,088,591.63 and 1,691,803,910.61 is: 2,334,704,296.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101,493,678.39 : 4,280,088,591.63 = 1,691,803,910.61 : x
  2. Step 2: Convert to fraction form
    3,101,493,678.39/4,280,088,591.63 = 1,691,803,910.61/x
  3. Step 3: Cross multiply
    3,101,493,678.39x = 4,280,088,591.63 × 1,691,803,910.61
  4. Step 4: Simplify right side
    3,101,493,678.39x = 7,241,070,617,076,881,408
  5. Step 5: Solve for x
    x = 7,241,070,617,076,881,408/3,101,493,678.39
  6. Step 6: Final answer
    x = 2,334,704,296.68

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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.