Home / 3,992,050,820.40-5,988,076,230.60-1,781,256,260.40

Finding the Fourth Proportional to 3,992,050,820.40, 5,988,076,230.60 and 1,781,256,260.40

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Solution

The fourth proportional to 3,992,050,820.40, 5,988,076,230.60 and 1,781,256,260.40 is: 2,671,884,390.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992,050,820.40 : 5,988,076,230.60 = 1,781,256,260.40 : x
  2. Step 2: Convert to fraction form
    3,992,050,820.40/5,988,076,230.60 = 1,781,256,260.40/x
  3. Step 3: Cross multiply
    3,992,050,820.40x = 5,988,076,230.60 × 1,781,256,260.40
  4. Step 4: Simplify right side
    3,992,050,820.40x = 10,666,298,273,508,685,824
  5. Step 5: Solve for x
    x = 10,666,298,273,508,685,824/3,992,050,820.40
  6. Step 6: Final answer
    x = 2,671,884,390.60

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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.