Home / 14,412,720,484.17-21,622,340,676.01-7,780,207,275.45

Finding the Fourth Proportional to 14,412,720,484.17, 21,622,340,676.01 and 7,780,207,275.45

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Solution

The fourth proportional to 14,412,720,484.17, 21,622,340,676.01 and 7,780,207,275.45 is: 11,672,070,683.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,412,720,484.17 : 21,622,340,676.01 = 7,780,207,275.45 : x
  2. Step 2: Convert to fraction form
    14,412,720,484.17/21,622,340,676.01 = 7,780,207,275.45/x
  3. Step 3: Cross multiply
    14,412,720,484.17x = 21,622,340,676.01 × 7,780,207,275.45
  4. Step 4: Simplify right side
    14,412,720,484.17x = 168,226,292,239,782,576,128
  5. Step 5: Solve for x
    x = 168,226,292,239,782,576,128/14,412,720,484.17
  6. Step 6: Final answer
    x = 11,672,070,683.99

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