Home / 14,841,455,128.09-20,483,446,882.65-9,051,117,807.74

Finding the Fourth Proportional to 14,841,455,128.09, 20,483,446,882.65 and 9,051,117,807.74

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Solution

The fourth proportional to 14,841,455,128.09, 20,483,446,882.65 and 9,051,117,807.74 is: 12,491,907,918.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,841,455,128.09 : 20,483,446,882.65 = 9,051,117,807.74 : x
  2. Step 2: Convert to fraction form
    14,841,455,128.09/20,483,446,882.65 = 9,051,117,807.74/x
  3. Step 3: Cross multiply
    14,841,455,128.09x = 20,483,446,882.65 × 9,051,117,807.74
  4. Step 4: Simplify right side
    14,841,455,128.09x = 185,398,090,843,404,533,760
  5. Step 5: Solve for x
    x = 185,398,090,843,404,533,760/14,841,455,128.09
  6. Step 6: Final answer
    x = 12,491,907,918.96

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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.