Home / 1,082,831,129.28-1,494,308,852.64-587,794,173.12

Finding the Fourth Proportional to 1,082,831,129.28, 1,494,308,852.64 and 587,794,173.12

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Solution

The fourth proportional to 1,082,831,129.28, 1,494,308,852.64 and 587,794,173.12 is: 811,156,987.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082,831,129.28 : 1,494,308,852.64 = 587,794,173.12 : x
  2. Step 2: Convert to fraction form
    1,082,831,129.28/1,494,308,852.64 = 587,794,173.12/x
  3. Step 3: Cross multiply
    1,082,831,129.28x = 1,494,308,852.64 × 587,794,173.12
  4. Step 4: Simplify right side
    1,082,831,129.28x = 878,346,036,423,424,768
  5. Step 5: Solve for x
    x = 878,346,036,423,424,768/1,082,831,129.28
  6. Step 6: Final answer
    x = 811,156,987.15

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Double scale
Find fourth proportional to 1,082,831,130.28, 1,494,308,854.02 and 587,794,174.12
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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.