Home / 1,328,604,752.80-1,992,907,129.20-1,320,952,002.40

Finding the Fourth Proportional to 1,328,604,752.80, 1,992,907,129.20 and 1,320,952,002.40

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Solution

The fourth proportional to 1,328,604,752.80, 1,992,907,129.20 and 1,320,952,002.40 is: 1,981,428,003.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,604,752.80 : 1,992,907,129.20 = 1,320,952,002.40 : x
  2. Step 2: Convert to fraction form
    1,328,604,752.80/1,992,907,129.20 = 1,320,952,002.40/x
  3. Step 3: Cross multiply
    1,328,604,752.80x = 1,992,907,129.20 × 1,320,952,002.40
  4. Step 4: Simplify right side
    1,328,604,752.80x = 2,632,534,662,913,975,808
  5. Step 5: Solve for x
    x = 2,632,534,662,913,975,808/1,328,604,752.80
  6. Step 6: Final answer
    x = 1,981,428,003.60

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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.