Home / 1,620,239,763.50-2,236,290,574.16-985,025,280.49

Finding the Fourth Proportional to 1,620,239,763.50, 2,236,290,574.16 and 985,025,280.49

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Solution

The fourth proportional to 1,620,239,763.50, 2,236,290,574.16 and 985,025,280.49 is: 1,359,553,567.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,239,763.50 : 2,236,290,574.16 = 985,025,280.49 : x
  2. Step 2: Convert to fraction form
    1,620,239,763.50/2,236,290,574.16 = 985,025,280.49/x
  3. Step 3: Cross multiply
    1,620,239,763.50x = 2,236,290,574.16 × 985,025,280.49
  4. Step 4: Simplify right side
    1,620,239,763.50x = 2,202,802,750,069,096,960
  5. Step 5: Solve for x
    x = 2,202,802,750,069,096,960/1,620,239,763.50
  6. Step 6: Final answer
    x = 1,359,553,567.13

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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.