Home / 852,078,125.80-1,278,117,188.70-334,242,015.40

Finding the Fourth Proportional to 852,078,125.80, 1,278,117,188.70 and 334,242,015.40

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Solution

The fourth proportional to 852,078,125.80, 1,278,117,188.70 and 334,242,015.40 is: 501,363,023.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,078,125.80 : 1,278,117,188.70 = 334,242,015.40 : x
  2. Step 2: Convert to fraction form
    852,078,125.80/1,278,117,188.70 = 334,242,015.40/x
  3. Step 3: Cross multiply
    852,078,125.80x = 1,278,117,188.70 × 334,242,015.40
  4. Step 4: Simplify right side
    852,078,125.80x = 427,200,465,068,470,080
  5. Step 5: Solve for x
    x = 427,200,465,068,470,080/852,078,125.80
  6. Step 6: Final answer
    x = 501,363,023.10

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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.