Home / 39,156,571,225.56-54,036,076,062.78-21,335,228,725.08

Finding the Fourth Proportional to 39,156,571,225.56, 54,036,076,062.78 and 21,335,228,725.08

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Solution

The fourth proportional to 39,156,571,225.56, 54,036,076,062.78 and 21,335,228,725.08 is: 29,442,619,875.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,156,571,225.56 : 54,036,076,062.78 = 21,335,228,725.08 : x
  2. Step 2: Convert to fraction form
    39,156,571,225.56/54,036,076,062.78 = 21,335,228,725.08/x
  3. Step 3: Cross multiply
    39,156,571,225.56x = 54,036,076,062.78 × 21,335,228,725.08
  4. Step 4: Simplify right side
    39,156,571,225.56x = 1,152,872,042,205,231,710,208
  5. Step 5: Solve for x
    x = 1,152,872,042,205,231,710,208/39,156,571,225.56
  6. Step 6: Final answer
    x = 29,442,619,875.07

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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.