Home / 27,996,879,445,250-38,634,854,879,688-15,497,121,845,621

Finding the Fourth Proportional to 27,996,879,445,250, 38,634,854,879,688 and 15,497,121,845,621

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Solution

The fourth proportional to 27,996,879,445,250, 38,634,854,879,688 and 15,497,121,845,621 is: 21,385,563,870,761.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,996,879,445,250 : 38,634,854,879,688 = 15,497,121,845,621 : x
  2. Step 2: Convert to fraction form
    27,996,879,445,250/38,634,854,879,688 = 15,497,121,845,621/x
  3. Step 3: Cross multiply
    27,996,879,445,250x = 38,634,854,879,688 × 15,497,121,845,621
  4. Step 4: Simplify right side
    27,996,879,445,250x = 598,729,053,558,410,006,772,056,064
  5. Step 5: Solve for x
    x = 598,729,053,558,410,006,772,056,064/27,996,879,445,250
  6. Step 6: Final answer
    x = 21,385,563,870,761.73

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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.