Home / 1,369,442,739.43-2,055,492,432.93-660,889,942.84

Finding the Fourth Proportional to 1,369,442,739.43, 2,055,492,432.93 and 660,889,942.84

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Solution

The fourth proportional to 1,369,442,739.43, 2,055,492,432.93 and 660,889,942.84 is: 991,975,960.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,442,739.43 : 2,055,492,432.93 = 660,889,942.84 : x
  2. Step 2: Convert to fraction form
    1,369,442,739.43/2,055,492,432.93 = 660,889,942.84/x
  3. Step 3: Cross multiply
    1,369,442,739.43x = 2,055,492,432.93 × 660,889,942.84
  4. Step 4: Simplify right side
    1,369,442,739.43x = 1,358,454,276,507,160,320
  5. Step 5: Solve for x
    x = 1,358,454,276,507,160,320/1,369,442,739.43
  6. Step 6: Final answer
    x = 991,975,960.29

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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.