Home / 1,019,941,203.90-1,530,289,719.45-406,965,344.70

Finding the Fourth Proportional to 1,019,941,203.90, 1,530,289,719.45 and 406,965,344.70

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Solution

The fourth proportional to 1,019,941,203.90, 1,530,289,719.45 and 406,965,344.70 is: 610,598,807.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,941,203.90 : 1,530,289,719.45 = 406,965,344.70 : x
  2. Step 2: Convert to fraction form
    1,019,941,203.90/1,530,289,719.45 = 406,965,344.70/x
  3. Step 3: Cross multiply
    1,019,941,203.90x = 1,530,289,719.45 × 406,965,344.70
  4. Step 4: Simplify right side
    1,019,941,203.90x = 622,774,883,166,835,584
  5. Step 5: Solve for x
    x = 622,774,883,166,835,584/1,019,941,203.90
  6. Step 6: Final answer
    x = 610,598,807.84

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Double scale
Find fourth proportional to 1,019,941,204.90, 1,530,289,720.95 and 406,965,345.70
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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.