Home / 1,019,941,259.40-1,530,289,802.70-406,965,400.20

Finding the Fourth Proportional to 1,019,941,259.40, 1,530,289,802.70 and 406,965,400.20

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Solution

The fourth proportional to 1,019,941,259.40, 1,530,289,802.70 and 406,965,400.20 is: 610,598,891.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,941,259.40 : 1,530,289,802.70 = 406,965,400.20 : x
  2. Step 2: Convert to fraction form
    1,019,941,259.40/1,530,289,802.70 = 406,965,400.20/x
  3. Step 3: Cross multiply
    1,019,941,259.40x = 1,530,289,802.70 × 406,965,400.20
  4. Step 4: Simplify right side
    1,019,941,259.40x = 622,775,001,977,784,576
  5. Step 5: Solve for x
    x = 622,775,001,977,784,576/1,019,941,259.40
  6. Step 6: Final answer
    x = 610,598,891.10

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Double scale
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1.5x scale

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.