Home / 1,270,637,719.40-1,753,522,631.34-706,146,389.24

Finding the Fourth Proportional to 1,270,637,719.40, 1,753,522,631.34 and 706,146,389.24

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Solution

The fourth proportional to 1,270,637,719.40, 1,753,522,631.34 and 706,146,389.24 is: 974,505,679.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,637,719.40 : 1,753,522,631.34 = 706,146,389.24 : x
  2. Step 2: Convert to fraction form
    1,270,637,719.40/1,753,522,631.34 = 706,146,389.24/x
  3. Step 3: Cross multiply
    1,270,637,719.40x = 1,753,522,631.34 × 706,146,389.24
  4. Step 4: Simplify right side
    1,270,637,719.40x = 1,238,243,674,571,364,608
  5. Step 5: Solve for x
    x = 1,238,243,674,571,364,608/1,270,637,719.40
  6. Step 6: Final answer
    x = 974,505,679.84

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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.