Home / 879,848,059.20-1,320,622,394.40-535,474,291.20

Finding the Fourth Proportional to 879,848,059.20, 1,320,622,394.40 and 535,474,291.20

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Solution

The fourth proportional to 879,848,059.20, 1,320,622,394.40 and 535,474,291.20 is: 803,728,931.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,848,059.20 : 1,320,622,394.40 = 535,474,291.20 : x
  2. Step 2: Convert to fraction form
    879,848,059.20/1,320,622,394.40 = 535,474,291.20/x
  3. Step 3: Cross multiply
    879,848,059.20x = 1,320,622,394.40 × 535,474,291.20
  4. Step 4: Simplify right side
    879,848,059.20x = 707,159,340,584,186,880
  5. Step 5: Solve for x
    x = 707,159,340,584,186,880/879,848,059.20
  6. Step 6: Final answer
    x = 803,728,931.59

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1.5x scale

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.