Home / 14,342,799,093.72-21,485,386,063.32-7,141,959,439.12

Finding the Fourth Proportional to 14,342,799,093.72, 21,485,386,063.32 and 7,141,959,439.12

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Solution

The fourth proportional to 14,342,799,093.72, 21,485,386,063.32 and 7,141,959,439.12 is: 10,698,592,010.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,342,799,093.72 : 21,485,386,063.32 = 7,141,959,439.12 : x
  2. Step 2: Convert to fraction form
    14,342,799,093.72/21,485,386,063.32 = 7,141,959,439.12/x
  3. Step 3: Cross multiply
    14,342,799,093.72x = 21,485,386,063.32 × 7,141,959,439.12
  4. Step 4: Simplify right side
    14,342,799,093.72x = 153,447,755,798,065,577,984
  5. Step 5: Solve for x
    x = 153,447,755,798,065,577,984/14,342,799,093.72
  6. Step 6: Final answer
    x = 10,698,592,010.90

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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.