Home / 18,958,547,429.37-26,152,876,428.38-11,722,281,755.94

Finding the Fourth Proportional to 18,958,547,429.37, 26,152,876,428.38 and 11,722,281,755.94

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Solution

The fourth proportional to 18,958,547,429.37, 26,152,876,428.38 and 11,722,281,755.94 is: 16,170,615,779.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,958,547,429.37 : 26,152,876,428.38 = 11,722,281,755.94 : x
  2. Step 2: Convert to fraction form
    18,958,547,429.37/26,152,876,428.38 = 11,722,281,755.94/x
  3. Step 3: Cross multiply
    18,958,547,429.37x = 26,152,876,428.38 × 11,722,281,755.94
  4. Step 4: Simplify right side
    18,958,547,429.37x = 306,571,386,221,621,346,304
  5. Step 5: Solve for x
    x = 306,571,386,221,621,346,304/18,958,547,429.37
  6. Step 6: Final answer
    x = 16,170,615,779.71

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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.