Home / 30,591,132,365.80-45,886,698,548.70-18,163,065,716.20

Finding the Fourth Proportional to 30,591,132,365.80, 45,886,698,548.70 and 18,163,065,716.20

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Solution

The fourth proportional to 30,591,132,365.80, 45,886,698,548.70 and 18,163,065,716.20 is: 27,244,598,574.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,591,132,365.80 : 45,886,698,548.70 = 18,163,065,716.20 : x
  2. Step 2: Convert to fraction form
    30,591,132,365.80/45,886,698,548.70 = 18,163,065,716.20/x
  3. Step 3: Cross multiply
    30,591,132,365.80x = 45,886,698,548.70 × 18,163,065,716.20
  4. Step 4: Simplify right side
    30,591,132,365.80x = 833,443,121,239,497,244,672
  5. Step 5: Solve for x
    x = 833,443,121,239,497,244,672/30,591,132,365.80
  6. Step 6: Final answer
    x = 27,244,598,574.30

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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.