Home / 66,803,566,640.56-92,189,286,416.37-39,338,351,439.28

Finding the Fourth Proportional to 66,803,566,640.56, 92,189,286,416.37 and 39,338,351,439.28

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Solution

The fourth proportional to 66,803,566,640.56, 92,189,286,416.37 and 39,338,351,439.28 is: 54,287,139,599.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,803,566,640.56 : 92,189,286,416.37 = 39,338,351,439.28 : x
  2. Step 2: Convert to fraction form
    66,803,566,640.56/92,189,286,416.37 = 39,338,351,439.28/x
  3. Step 3: Cross multiply
    66,803,566,640.56x = 92,189,286,416.37 × 39,338,351,439.28
  4. Step 4: Simplify right side
    66,803,566,640.56x = 3,626,574,547,983,604,383,744
  5. Step 5: Solve for x
    x = 3,626,574,547,983,604,383,744/66,803,566,640.56
  6. Step 6: Final answer
    x = 54,287,139,599.84

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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.