Home / 254,934,115,431.92-351,839,929,288.08-145,095,168,678.88

Finding the Fourth Proportional to 254,934,115,431.92, 351,839,929,288.08 and 145,095,168,678.88

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Solution

The fourth proportional to 254,934,115,431.92, 351,839,929,288.08 and 145,095,168,678.88 is: 200,248,890,979.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,934,115,431.92 : 351,839,929,288.08 = 145,095,168,678.88 : x
  2. Step 2: Convert to fraction form
    254,934,115,431.92/351,839,929,288.08 = 145,095,168,678.88/x
  3. Step 3: Cross multiply
    254,934,115,431.92x = 351,839,929,288.08 × 145,095,168,678.88
  4. Step 4: Simplify right side
    254,934,115,431.92x = 51,050,273,888,019,182,256,128
  5. Step 5: Solve for x
    x = 51,050,273,888,019,182,256,128/254,934,115,431.92
  6. Step 6: Final answer
    x = 200,248,890,979.25

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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.