Home / 19,973,932,154.76-29,919,205,676.91-11,980,750,959.13

Finding the Fourth Proportional to 19,973,932,154.76, 29,919,205,676.91 and 11,980,750,959.13

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Solution

The fourth proportional to 19,973,932,154.76, 29,919,205,676.91 and 11,980,750,959.13 is: 17,946,118,437.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,973,932,154.76 : 29,919,205,676.91 = 11,980,750,959.13 : x
  2. Step 2: Convert to fraction form
    19,973,932,154.76/29,919,205,676.91 = 11,980,750,959.13/x
  3. Step 3: Cross multiply
    19,973,932,154.76x = 29,919,205,676.91 × 11,980,750,959.13
  4. Step 4: Simplify right side
    19,973,932,154.76x = 358,454,552,110,047,166,464
  5. Step 5: Solve for x
    x = 358,454,552,110,047,166,464/19,973,932,154.76
  6. Step 6: Final answer
    x = 17,946,118,437.41

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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.