Home / 450,492,078.60-675,738,117.90-159,687,563.40

Finding the Fourth Proportional to 450,492,078.60, 675,738,117.90 and 159,687,563.40

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Solution

The fourth proportional to 450,492,078.60, 675,738,117.90 and 159,687,563.40 is: 239,531,345.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,492,078.60 : 675,738,117.90 = 159,687,563.40 : x
  2. Step 2: Convert to fraction form
    450,492,078.60/675,738,117.90 = 159,687,563.40/x
  3. Step 3: Cross multiply
    450,492,078.60x = 675,738,117.90 × 159,687,563.40
  4. Step 4: Simplify right side
    450,492,078.60x = 107,906,973,543,952,928
  5. Step 5: Solve for x
    x = 107,906,973,543,952,928/450,492,078.60
  6. Step 6: Final answer
    x = 239,531,345.10

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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.