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Finding the Fourth Proportional to 488,793,959.40, 734,041,244.70 and 259,211,447.40

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Solution

The fourth proportional to 488,793,959.40, 734,041,244.70 and 259,211,447.40 is: 389,268,095.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,793,959.40 : 734,041,244.70 = 259,211,447.40 : x
  2. Step 2: Convert to fraction form
    488,793,959.40/734,041,244.70 = 259,211,447.40/x
  3. Step 3: Cross multiply
    488,793,959.40x = 734,041,244.70 × 259,211,447.40
  4. Step 4: Simplify right side
    488,793,959.40x = 190,271,893,489,984,608
  5. Step 5: Solve for x
    x = 190,271,893,489,984,608/488,793,959.40
  6. Step 6: Final answer
    x = 389,268,095.14

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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.