Home / 20,912,506,594.91-28,859,356,831.25-11,880,760,297.23

Finding the Fourth Proportional to 20,912,506,594.91, 28,859,356,831.25 and 11,880,760,297.23

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Solution

The fourth proportional to 20,912,506,594.91, 28,859,356,831.25 and 11,880,760,297.23 is: 16,395,504,732.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,912,506,594.91 : 28,859,356,831.25 = 11,880,760,297.23 : x
  2. Step 2: Convert to fraction form
    20,912,506,594.91/28,859,356,831.25 = 11,880,760,297.23/x
  3. Step 3: Cross multiply
    20,912,506,594.91x = 28,859,356,831.25 × 11,880,760,297.23
  4. Step 4: Simplify right side
    20,912,506,594.91x = 342,871,100,844,248,924,160
  5. Step 5: Solve for x
    x = 342,871,100,844,248,924,160/20,912,506,594.91
  6. Step 6: Final answer
    x = 16,395,504,732.45

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1.5x scale

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.