Home / 1,236,190,267.20-1,854,285,400.80-316,017,890.40

Finding the Fourth Proportional to 1,236,190,267.20, 1,854,285,400.80 and 316,017,890.40

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Solution

The fourth proportional to 1,236,190,267.20, 1,854,285,400.80 and 316,017,890.40 is: 474,026,835.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,190,267.20 : 1,854,285,400.80 = 316,017,890.40 : x
  2. Step 2: Convert to fraction form
    1,236,190,267.20/1,854,285,400.80 = 316,017,890.40/x
  3. Step 3: Cross multiply
    1,236,190,267.20x = 1,854,285,400.80 × 316,017,890.40
  4. Step 4: Simplify right side
    1,236,190,267.20x = 585,987,360,560,334,464
  5. Step 5: Solve for x
    x = 585,987,360,560,334,464/1,236,190,267.20
  6. Step 6: Final answer
    x = 474,026,835.60

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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.