Home / 9,207,615,415.31-12,705,987,565.81-5,193,045,737.81

Finding the Fourth Proportional to 9,207,615,415.31, 12,705,987,565.81 and 5,193,045,737.81

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Solution

The fourth proportional to 9,207,615,415.31, 12,705,987,565.81 and 5,193,045,737.81 is: 7,166,108,878.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,207,615,415.31 : 12,705,987,565.81 = 5,193,045,737.81 : x
  2. Step 2: Convert to fraction form
    9,207,615,415.31/12,705,987,565.81 = 5,193,045,737.81/x
  3. Step 3: Cross multiply
    9,207,615,415.31x = 12,705,987,565.81 × 5,193,045,737.81
  4. Step 4: Simplify right side
    9,207,615,415.31x = 65,982,774,573,296,476,160
  5. Step 5: Solve for x
    x = 65,982,774,573,296,476,160/9,207,615,415.31
  6. Step 6: Final answer
    x = 7,166,108,878.05

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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.