Home / 1,271,052,381.03-1,906,575,750.59-338,375,457.51

Finding the Fourth Proportional to 1,271,052,381.03, 1,906,575,750.59 and 338,375,457.51

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Solution

The fourth proportional to 1,271,052,381.03, 1,906,575,750.59 and 338,375,457.51 is: 507,562,435.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,052,381.03 : 1,906,575,750.59 = 338,375,457.51 : x
  2. Step 2: Convert to fraction form
    1,271,052,381.03/1,906,575,750.59 = 338,375,457.51/x
  3. Step 3: Cross multiply
    1,271,052,381.03x = 1,906,575,750.59 × 338,375,457.51
  4. Step 4: Simplify right side
    1,271,052,381.03x = 645,138,441,881,671,040
  5. Step 5: Solve for x
    x = 645,138,441,881,671,040/1,271,052,381.03
  6. Step 6: Final answer
    x = 507,562,435.28

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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.