Home / 28,713,213,759.32-43,076,223,911.93-8,818,108,988.70

Finding the Fourth Proportional to 28,713,213,759.32, 43,076,223,911.93 and 8,818,108,988.70

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Solution

The fourth proportional to 28,713,213,759.32, 43,076,223,911.93 and 8,818,108,988.70 is: 13,229,129,990.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,713,213,759.32 : 43,076,223,911.93 = 8,818,108,988.70 : x
  2. Step 2: Convert to fraction form
    28,713,213,759.32/43,076,223,911.93 = 8,818,108,988.70/x
  3. Step 3: Cross multiply
    28,713,213,759.32x = 43,076,223,911.93 × 8,818,108,988.70
  4. Step 4: Simplify right side
    28,713,213,759.32x = 379,850,837,276,999,811,072
  5. Step 5: Solve for x
    x = 379,850,837,276,999,811,072/28,713,213,759.32
  6. Step 6: Final answer
    x = 13,229,129,990.85

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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.