Home / 1,004,028,679.80-1,506,043,019.70-357,563,143.80

Finding the Fourth Proportional to 1,004,028,679.80, 1,506,043,019.70 and 357,563,143.80

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Solution

The fourth proportional to 1,004,028,679.80, 1,506,043,019.70 and 357,563,143.80 is: 536,344,715.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,028,679.80 : 1,506,043,019.70 = 357,563,143.80 : x
  2. Step 2: Convert to fraction form
    1,004,028,679.80/1,506,043,019.70 = 357,563,143.80/x
  3. Step 3: Cross multiply
    1,004,028,679.80x = 1,506,043,019.70 × 357,563,143.80
  4. Step 4: Simplify right side
    1,004,028,679.80x = 538,505,476,821,977,344
  5. Step 5: Solve for x
    x = 538,505,476,821,977,344/1,004,028,679.80
  6. Step 6: Final answer
    x = 536,344,715.70

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.