Home / 28,403,072,109.20-42,604,608,163.80-11,852,723,910.80

Finding the Fourth Proportional to 28,403,072,109.20, 42,604,608,163.80 and 11,852,723,910.80

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Solution

The fourth proportional to 28,403,072,109.20, 42,604,608,163.80 and 11,852,723,910.80 is: 17,779,085,866.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,403,072,109.20 : 42,604,608,163.80 = 11,852,723,910.80 : x
  2. Step 2: Convert to fraction form
    28,403,072,109.20/42,604,608,163.80 = 11,852,723,910.80/x
  3. Step 3: Cross multiply
    28,403,072,109.20x = 42,604,608,163.80 × 11,852,723,910.80
  4. Step 4: Simplify right side
    28,403,072,109.20x = 504,980,657,893,337,137,152
  5. Step 5: Solve for x
    x = 504,980,657,893,337,137,152/28,403,072,109.20
  6. Step 6: Final answer
    x = 17,779,085,866.20

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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.