Home / 1,547,439,348.22-2,135,457,204.74-842,589,642

Finding the Fourth Proportional to 1,547,439,348.22, 2,135,457,204.74 and 842,589,642

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Solution

The fourth proportional to 1,547,439,348.22, 2,135,457,204.74 and 842,589,642 is: 1,162,768,753.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,439,348.22 : 2,135,457,204.74 = 842,589,642 : x
  2. Step 2: Convert to fraction form
    1,547,439,348.22/2,135,457,204.74 = 842,589,642/x
  3. Step 3: Cross multiply
    1,547,439,348.22x = 2,135,457,204.74 × 842,589,642
  4. Step 4: Simplify right side
    1,547,439,348.22x = 1,799,314,121,648,197,376
  5. Step 5: Solve for x
    x = 1,799,314,121,648,197,376/1,547,439,348.22
  6. Step 6: Final answer
    x = 1,162,768,753.24

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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.