Home / 1,386,274,840.34-2,078,973,242.12-453,382,142.54

Finding the Fourth Proportional to 1,386,274,840.34, 2,078,973,242.12 and 453,382,142.54

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Solution

The fourth proportional to 1,386,274,840.34, 2,078,973,242.12 and 453,382,142.54 is: 679,929,632.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,274,840.34 : 2,078,973,242.12 = 453,382,142.54 : x
  2. Step 2: Convert to fraction form
    1,386,274,840.34/2,078,973,242.12 = 453,382,142.54/x
  3. Step 3: Cross multiply
    1,386,274,840.34x = 2,078,973,242.12 × 453,382,142.54
  4. Step 4: Simplify right side
    1,386,274,840.34x = 942,569,342,786,434,432
  5. Step 5: Solve for x
    x = 942,569,342,786,434,432/1,386,274,840.34
  6. Step 6: Final answer
    x = 679,929,632.54

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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.