Home / 18,387,791,692,955-27,581,714,085,128-7,509,045,390,778

Finding the Fourth Proportional to 18,387,791,692,955, 27,581,714,085,128 and 7,509,045,390,778

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Solution

The fourth proportional to 18,387,791,692,955, 27,581,714,085,128 and 7,509,045,390,778 is: 11,263,578,926,665.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,387,791,692,955 : 27,581,714,085,128 = 7,509,045,390,778 : x
  2. Step 2: Convert to fraction form
    18,387,791,692,955/27,581,714,085,128 = 7,509,045,390,778/x
  3. Step 3: Cross multiply
    18,387,791,692,955x = 27,581,714,085,128 × 7,509,045,390,778
  4. Step 4: Simplify right side
    18,387,791,692,955x = 207,112,343,020,687,054,182,809,600
  5. Step 5: Solve for x
    x = 207,112,343,020,687,054,182,809,600/18,387,791,692,955
  6. Step 6: Final answer
    x = 11,263,578,926,665.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.