Home / 236,409,163,772.36-326,244,960,620.78-128,022,447,966.83

Finding the Fourth Proportional to 236,409,163,772.36, 326,244,960,620.78 and 128,022,447,966.83

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Solution

The fourth proportional to 236,409,163,772.36, 326,244,960,620.78 and 128,022,447,966.83 is: 176,671,148,567.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,409,163,772.36 : 326,244,960,620.78 = 128,022,447,966.83 : x
  2. Step 2: Convert to fraction form
    236,409,163,772.36/326,244,960,620.78 = 128,022,447,966.83/x
  3. Step 3: Cross multiply
    236,409,163,772.36x = 326,244,960,620.78 × 128,022,447,966.83
  4. Step 4: Simplify right side
    236,409,163,772.36x = 41,766,678,495,514,310,213,632
  5. Step 5: Solve for x
    x = 41,766,678,495,514,310,213,632/236,409,163,772.36
  6. Step 6: Final answer
    x = 176,671,148,567.37

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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.