Home / 18,387,791,692,881-27,581,714,085,018-7,509,045,390,705

Finding the Fourth Proportional to 18,387,791,692,881, 27,581,714,085,018 and 7,509,045,390,705

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Solution

The fourth proportional to 18,387,791,692,881, 27,581,714,085,018 and 7,509,045,390,705 is: 11,263,578,926,556.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,387,791,692,881 : 27,581,714,085,018 = 7,509,045,390,705 : x
  2. Step 2: Convert to fraction form
    18,387,791,692,881/27,581,714,085,018 = 7,509,045,390,705/x
  3. Step 3: Cross multiply
    18,387,791,692,881x = 27,581,714,085,018 × 7,509,045,390,705
  4. Step 4: Simplify right side
    18,387,791,692,881x = 207,112,343,017,847,599,763,816,448
  5. Step 5: Solve for x
    x = 207,112,343,017,847,599,763,816,448/18,387,791,692,881
  6. Step 6: Final answer
    x = 11,263,578,926,556.64

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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.