Home / 18,893,289,298.90-26,072,584,285.80-10,319,721,406.06

Finding the Fourth Proportional to 18,893,289,298.90, 26,072,584,285.80 and 10,319,721,406.06

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Solution

The fourth proportional to 18,893,289,298.90, 26,072,584,285.80 and 10,319,721,406.06 is: 14,241,130,906.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,893,289,298.90 : 26,072,584,285.80 = 10,319,721,406.06 : x
  2. Step 2: Convert to fraction form
    18,893,289,298.90/26,072,584,285.80 = 10,319,721,406.06/x
  3. Step 3: Cross multiply
    18,893,289,298.90x = 26,072,584,285.80 × 10,319,721,406.06
  4. Step 4: Simplify right side
    18,893,289,298.90x = 269,061,806,165,473,820,672
  5. Step 5: Solve for x
    x = 269,061,806,165,473,820,672/18,893,289,298.90
  6. Step 6: Final answer
    x = 14,241,130,906.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.