Home / 30,591,132,418.80-45,886,698,628.20-18,163,065,769.20

Finding the Fourth Proportional to 30,591,132,418.80, 45,886,698,628.20 and 18,163,065,769.20

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Solution

The fourth proportional to 30,591,132,418.80, 45,886,698,628.20 and 18,163,065,769.20 is: 27,244,598,653.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,591,132,418.80 : 45,886,698,628.20 = 18,163,065,769.20 : x
  2. Step 2: Convert to fraction form
    30,591,132,418.80/45,886,698,628.20 = 18,163,065,769.20/x
  3. Step 3: Cross multiply
    30,591,132,418.80x = 45,886,698,628.20 × 18,163,065,769.20
  4. Step 4: Simplify right side
    30,591,132,418.80x = 833,443,125,115,456,061,440
  5. Step 5: Solve for x
    x = 833,443,125,115,456,061,440/30,591,132,418.80
  6. Step 6: Final answer
    x = 27,244,598,653.80

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Double scale
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1.5x scale

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.