Home / 280,549,099,979.05-387,160,805,255.73-164,810,737,760.22

Finding the Fourth Proportional to 280,549,099,979.05, 387,160,805,255.73 and 164,810,737,760.22

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Solution

The fourth proportional to 280,549,099,979.05, 387,160,805,255.73 and 164,810,737,760.22 is: 227,440,608,260.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,549,099,979.05 : 387,160,805,255.73 = 164,810,737,760.22 : x
  2. Step 2: Convert to fraction form
    280,549,099,979.05/387,160,805,255.73 = 164,810,737,760.22/x
  3. Step 3: Cross multiply
    280,549,099,979.05x = 387,160,805,255.73 × 164,810,737,760.22
  4. Step 4: Simplify right side
    280,549,099,979.05x = 63,808,257,946,037,719,662,592
  5. Step 5: Solve for x
    x = 63,808,257,946,037,719,662,592/280,549,099,979.05
  6. Step 6: Final answer
    x = 227,440,608,260.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.