Home / 2,118,889,148.20-3,178,333,722.30-1,659,220,239.40

Finding the Fourth Proportional to 2,118,889,148.20, 3,178,333,722.30 and 1,659,220,239.40

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Solution

The fourth proportional to 2,118,889,148.20, 3,178,333,722.30 and 1,659,220,239.40 is: 2,488,830,359.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,889,148.20 : 3,178,333,722.30 = 1,659,220,239.40 : x
  2. Step 2: Convert to fraction form
    2,118,889,148.20/3,178,333,722.30 = 1,659,220,239.40/x
  3. Step 3: Cross multiply
    2,118,889,148.20x = 3,178,333,722.30 × 1,659,220,239.40
  4. Step 4: Simplify right side
    2,118,889,148.20x = 5,273,555,639,607,699,456
  5. Step 5: Solve for x
    x = 5,273,555,639,607,699,456/2,118,889,148.20
  6. Step 6: Final answer
    x = 2,488,830,359.10

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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.