Home / 1,055,412,288.74-1,455,863,840.46-658,245,748.32

Finding the Fourth Proportional to 1,055,412,288.74, 1,455,863,840.46 and 658,245,748.32

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Solution

The fourth proportional to 1,055,412,288.74, 1,455,863,840.46 and 658,245,748.32 is: 908,001,729.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,412,288.74 : 1,455,863,840.46 = 658,245,748.32 : x
  2. Step 2: Convert to fraction form
    1,055,412,288.74/1,455,863,840.46 = 658,245,748.32/x
  3. Step 3: Cross multiply
    1,055,412,288.74x = 1,455,863,840.46 × 658,245,748.32
  4. Step 4: Simplify right side
    1,055,412,288.74x = 958,316,183,115,621,888
  5. Step 5: Solve for x
    x = 958,316,183,115,621,888/1,055,412,288.74
  6. Step 6: Final answer
    x = 908,001,729.12

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Double scale
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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.