Home / 1,119,630,812.89-1,545,397,838.45-649,883,471.80

Finding the Fourth Proportional to 1,119,630,812.89, 1,545,397,838.45 and 649,883,471.80

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Solution

The fourth proportional to 1,119,630,812.89, 1,545,397,838.45 and 649,883,471.80 is: 897,017,571.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,630,812.89 : 1,545,397,838.45 = 649,883,471.80 : x
  2. Step 2: Convert to fraction form
    1,119,630,812.89/1,545,397,838.45 = 649,883,471.80/x
  3. Step 3: Cross multiply
    1,119,630,812.89x = 1,545,397,838.45 × 649,883,471.80
  4. Step 4: Simplify right side
    1,119,630,812.89x = 1,004,328,512,564,101,504
  5. Step 5: Solve for x
    x = 1,004,328,512,564,101,504/1,119,630,812.89
  6. Step 6: Final answer
    x = 897,017,571.33

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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.