Home / 852,078,312.55-1,278,117,468.83-334,242,202.15

Finding the Fourth Proportional to 852,078,312.55, 1,278,117,468.83 and 334,242,202.15

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Solution

The fourth proportional to 852,078,312.55, 1,278,117,468.83 and 334,242,202.15 is: 501,363,303.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,078,312.55 : 1,278,117,468.83 = 334,242,202.15 : x
  2. Step 2: Convert to fraction form
    852,078,312.55/1,278,117,468.83 = 334,242,202.15/x
  3. Step 3: Cross multiply
    852,078,312.55x = 1,278,117,468.83 × 334,242,202.15
  4. Step 4: Simplify right side
    852,078,312.55x = 427,200,797,386,451,968
  5. Step 5: Solve for x
    x = 427,200,797,386,451,968/852,078,312.55
  6. Step 6: Final answer
    x = 501,363,303.23

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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.