Home / 673,963,533.60-1,010,945,300.40-440,160,986.40

Finding the Fourth Proportional to 673,963,533.60, 1,010,945,300.40 and 440,160,986.40

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Solution

The fourth proportional to 673,963,533.60, 1,010,945,300.40 and 440,160,986.40 is: 660,241,479.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,963,533.60 : 1,010,945,300.40 = 440,160,986.40 : x
  2. Step 2: Convert to fraction form
    673,963,533.60/1,010,945,300.40 = 440,160,986.40/x
  3. Step 3: Cross multiply
    673,963,533.60x = 1,010,945,300.40 × 440,160,986.40
  4. Step 4: Simplify right side
    673,963,533.60x = 444,978,680,620,508,288
  5. Step 5: Solve for x
    x = 444,978,680,620,508,288/673,963,533.60
  6. Step 6: Final answer
    x = 660,241,479.60

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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.