Home / 18,958,547,428.86-26,152,876,427.69-11,722,281,755.43

Finding the Fourth Proportional to 18,958,547,428.86, 26,152,876,427.69 and 11,722,281,755.43

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Solution

The fourth proportional to 18,958,547,428.86, 26,152,876,427.69 and 11,722,281,755.43 is: 16,170,615,779.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,958,547,428.86 : 26,152,876,427.69 = 11,722,281,755.43 : x
  2. Step 2: Convert to fraction form
    18,958,547,428.86/26,152,876,427.69 = 11,722,281,755.43/x
  3. Step 3: Cross multiply
    18,958,547,428.86x = 26,152,876,427.69 × 11,722,281,755.43
  4. Step 4: Simplify right side
    18,958,547,428.86x = 306,571,386,200,465,604,608
  5. Step 5: Solve for x
    x = 306,571,386,200,465,604,608/18,958,547,428.86
  6. Step 6: Final answer
    x = 16,170,615,779.02

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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.