Home / 28,384,618,328.40-42,576,927,492.60-11,820,240,087.60

Finding the Fourth Proportional to 28,384,618,328.40, 42,576,927,492.60 and 11,820,240,087.60

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Solution

The fourth proportional to 28,384,618,328.40, 42,576,927,492.60 and 11,820,240,087.60 is: 17,730,360,131.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,384,618,328.40 : 42,576,927,492.60 = 11,820,240,087.60 : x
  2. Step 2: Convert to fraction form
    28,384,618,328.40/42,576,927,492.60 = 11,820,240,087.60/x
  3. Step 3: Cross multiply
    28,384,618,328.40x = 42,576,927,492.60 × 11,820,240,087.60
  4. Step 4: Simplify right side
    28,384,618,328.40x = 503,269,505,154,869,100,544
  5. Step 5: Solve for x
    x = 503,269,505,154,869,100,544/28,384,618,328.40
  6. Step 6: Final answer
    x = 17,730,360,131.40

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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.