Home / 20,847,762,474.72-28,769,930,753.54-11,332,314,224.16

Finding the Fourth Proportional to 20,847,762,474.72, 28,769,930,753.54 and 11,332,314,224.16

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Solution

The fourth proportional to 20,847,762,474.72, 28,769,930,753.54 and 11,332,314,224.16 is: 15,638,603,706.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,847,762,474.72 : 28,769,930,753.54 = 11,332,314,224.16 : x
  2. Step 2: Convert to fraction form
    20,847,762,474.72/28,769,930,753.54 = 11,332,314,224.16/x
  3. Step 3: Cross multiply
    20,847,762,474.72x = 28,769,930,753.54 × 11,332,314,224.16
  4. Step 4: Simplify right side
    20,847,762,474.72x = 326,029,895,506,382,880,768
  5. Step 5: Solve for x
    x = 326,029,895,506,382,880,768/20,847,762,474.72
  6. Step 6: Final answer
    x = 15,638,603,706.36

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Double scale
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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.