Home / 17,938,845,421.52-26,902,036,820.46-9,983,154,386.78

Finding the Fourth Proportional to 17,938,845,421.52, 26,902,036,820.46 and 9,983,154,386.78

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Solution

The fourth proportional to 17,938,845,421.52, 26,902,036,820.46 and 9,983,154,386.78 is: 14,971,263,790.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,938,845,421.52 : 26,902,036,820.46 = 9,983,154,386.78 : x
  2. Step 2: Convert to fraction form
    17,938,845,421.52/26,902,036,820.46 = 9,983,154,386.78/x
  3. Step 3: Cross multiply
    17,938,845,421.52x = 26,902,036,820.46 × 9,983,154,386.78
  4. Step 4: Simplify right side
    17,938,845,421.52x = 268,567,186,897,491,918,848
  5. Step 5: Solve for x
    x = 268,567,186,897,491,918,848/17,938,845,421.52
  6. Step 6: Final answer
    x = 14,971,263,790.22

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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.