Home / 18,958,547,429.73-26,152,876,428.90-11,722,281,756.31

Finding the Fourth Proportional to 18,958,547,429.73, 26,152,876,428.90 and 11,722,281,756.31

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Solution

The fourth proportional to 18,958,547,429.73, 26,152,876,428.90 and 11,722,281,756.31 is: 16,170,615,780.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,958,547,429.73 : 26,152,876,428.90 = 11,722,281,756.31 : x
  2. Step 2: Convert to fraction form
    18,958,547,429.73/26,152,876,428.90 = 11,722,281,756.31/x
  3. Step 3: Cross multiply
    18,958,547,429.73x = 26,152,876,428.90 × 11,722,281,756.31
  4. Step 4: Simplify right side
    18,958,547,429.73x = 306,571,386,237,524,312,064
  5. Step 5: Solve for x
    x = 306,571,386,237,524,312,064/18,958,547,429.73
  6. Step 6: Final answer
    x = 16,170,615,780.23

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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.