Home / 1,352,698,309.20-1,866,723,940.04-824,062,135.76

Finding the Fourth Proportional to 1,352,698,309.20, 1,866,723,940.04 and 824,062,135.76

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Solution

The fourth proportional to 1,352,698,309.20, 1,866,723,940.04 and 824,062,135.76 is: 1,137,205,913.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352,698,309.20 : 1,866,723,940.04 = 824,062,135.76 : x
  2. Step 2: Convert to fraction form
    1,352,698,309.20/1,866,723,940.04 = 824,062,135.76/x
  3. Step 3: Cross multiply
    1,352,698,309.20x = 1,866,723,940.04 × 824,062,135.76
  4. Step 4: Simplify right side
    1,352,698,309.20x = 1,538,296,516,903,684,608
  5. Step 5: Solve for x
    x = 1,538,296,516,903,684,608/1,352,698,309.20
  6. Step 6: Final answer
    x = 1,137,205,913.87

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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.