Home / 838,907,172.48-1,258,723,633.08-450,275,994.30

Finding the Fourth Proportional to 838,907,172.48, 1,258,723,633.08 and 450,275,994.30

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Solution

The fourth proportional to 838,907,172.48, 1,258,723,633.08 and 450,275,994.30 is: 675,608,761.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,907,172.48 : 1,258,723,633.08 = 450,275,994.30 : x
  2. Step 2: Convert to fraction form
    838,907,172.48/1,258,723,633.08 = 450,275,994.30/x
  3. Step 3: Cross multiply
    838,907,172.48x = 1,258,723,633.08 × 450,275,994.30
  4. Step 4: Simplify right side
    838,907,172.48x = 566,773,035,434,005,376
  5. Step 5: Solve for x
    x = 566,773,035,434,005,376/838,907,172.48
  6. Step 6: Final answer
    x = 675,608,761.05

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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.