Home / 12,457,613,446.56-17,191,613,765.52-7,105,444,907.76

Finding the Fourth Proportional to 12,457,613,446.56, 17,191,613,765.52 and 7,105,444,907.76

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Solution

The fourth proportional to 12,457,613,446.56, 17,191,613,765.52 and 7,105,444,907.76 is: 9,805,575,121.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,457,613,446.56 : 17,191,613,765.52 = 7,105,444,907.76 : x
  2. Step 2: Convert to fraction form
    12,457,613,446.56/17,191,613,765.52 = 7,105,444,907.76/x
  3. Step 3: Cross multiply
    12,457,613,446.56x = 17,191,613,765.52 × 7,105,444,907.76
  4. Step 4: Simplify right side
    12,457,613,446.56x = 122,154,064,486,390,808,576
  5. Step 5: Solve for x
    x = 122,154,064,486,390,808,576/12,457,613,446.56
  6. Step 6: Final answer
    x = 9,805,575,121.62

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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.