Home / 612,080,475.20-918,120,712.80-606,340,912.40

Finding the Fourth Proportional to 612,080,475.20, 918,120,712.80 and 606,340,912.40

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Solution

The fourth proportional to 612,080,475.20, 918,120,712.80 and 606,340,912.40 is: 909,511,368.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,080,475.20 : 918,120,712.80 = 606,340,912.40 : x
  2. Step 2: Convert to fraction form
    612,080,475.20/918,120,712.80 = 606,340,912.40/x
  3. Step 3: Cross multiply
    612,080,475.20x = 918,120,712.80 × 606,340,912.40
  4. Step 4: Simplify right side
    612,080,475.20x = 556,694,150,692,490,304
  5. Step 5: Solve for x
    x = 556,694,150,692,490,304/612,080,475.20
  6. Step 6: Final answer
    x = 909,511,368.60

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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.