Home / 1,344,028,487.60-2,016,042,731.40-423,997,828.40

Finding the Fourth Proportional to 1,344,028,487.60, 2,016,042,731.40 and 423,997,828.40

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Solution

The fourth proportional to 1,344,028,487.60, 2,016,042,731.40 and 423,997,828.40 is: 635,996,742.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,028,487.60 : 2,016,042,731.40 = 423,997,828.40 : x
  2. Step 2: Convert to fraction form
    1,344,028,487.60/2,016,042,731.40 = 423,997,828.40/x
  3. Step 3: Cross multiply
    1,344,028,487.60x = 2,016,042,731.40 × 423,997,828.40
  4. Step 4: Simplify right side
    1,344,028,487.60x = 854,797,740,075,204,480
  5. Step 5: Solve for x
    x = 854,797,740,075,204,480/1,344,028,487.60
  6. Step 6: Final answer
    x = 635,996,742.60

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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.