Home / 1,615,430,510.55-2,228,914,508.06-980,336,618.21

Finding the Fourth Proportional to 1,615,430,510.55, 2,228,914,508.06 and 980,336,618.21

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Solution

The fourth proportional to 1,615,430,510.55, 2,228,914,508.06 and 980,336,618.21 is: 1,352,634,172.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,430,510.55 : 2,228,914,508.06 = 980,336,618.21 : x
  2. Step 2: Convert to fraction form
    1,615,430,510.55/2,228,914,508.06 = 980,336,618.21/x
  3. Step 3: Cross multiply
    1,615,430,510.55x = 2,228,914,508.06 × 980,336,618.21
  4. Step 4: Simplify right side
    1,615,430,510.55x = 2,185,086,511,118,769,152
  5. Step 5: Solve for x
    x = 2,185,086,511,118,769,152/1,615,430,510.55
  6. Step 6: Final answer
    x = 1,352,634,172.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.