Home / 442,211,640,335.05-663,383,784,477.96-155,319,130,485.05

Finding the Fourth Proportional to 442,211,640,335.05, 663,383,784,477.96 and 155,319,130,485.05

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Solution

The fourth proportional to 442,211,640,335.05, 663,383,784,477.96 and 155,319,130,485.05 is: 233,001,990,867.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,211,640,335.05 : 663,383,784,477.96 = 155,319,130,485.05 : x
  2. Step 2: Convert to fraction form
    442,211,640,335.05/663,383,784,477.96 = 155,319,130,485.05/x
  3. Step 3: Cross multiply
    442,211,640,335.05x = 663,383,784,477.96 × 155,319,130,485.05
  4. Step 4: Simplify right side
    442,211,640,335.05x = 103,036,192,582,998,536,749,056
  5. Step 5: Solve for x
    x = 103,036,192,582,998,536,749,056/442,211,640,335.05
  6. Step 6: Final answer
    x = 233,001,990,867.84

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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.