Home / 673,963,405.60-1,010,945,108.40-440,160,858.40

Finding the Fourth Proportional to 673,963,405.60, 1,010,945,108.40 and 440,160,858.40

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Solution

The fourth proportional to 673,963,405.60, 1,010,945,108.40 and 440,160,858.40 is: 660,241,287.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,963,405.60 : 1,010,945,108.40 = 440,160,858.40 : x
  2. Step 2: Convert to fraction form
    673,963,405.60/1,010,945,108.40 = 440,160,858.40/x
  3. Step 3: Cross multiply
    673,963,405.60x = 1,010,945,108.40 × 440,160,858.40
  4. Step 4: Simplify right side
    673,963,405.60x = 444,978,466,708,625,024
  5. Step 5: Solve for x
    x = 444,978,466,708,625,024/673,963,405.60
  6. Step 6: Final answer
    x = 660,241,287.60

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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.