Home / 7,137,705,060.16-9,849,440,942.33-3,922,445,987.51

Finding the Fourth Proportional to 7,137,705,060.16, 9,849,440,942.33 and 3,922,445,987.51

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Solution

The fourth proportional to 7,137,705,060.16, 9,849,440,942.33 and 3,922,445,987.51 is: 5,412,650,113.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,137,705,060.16 : 9,849,440,942.33 = 3,922,445,987.51 : x
  2. Step 2: Convert to fraction form
    7,137,705,060.16/9,849,440,942.33 = 3,922,445,987.51/x
  3. Step 3: Cross multiply
    7,137,705,060.16x = 9,849,440,942.33 × 3,922,445,987.51
  4. Step 4: Simplify right side
    7,137,705,060.16x = 38,633,900,103,390,167,040
  5. Step 5: Solve for x
    x = 38,633,900,103,390,167,040/7,137,705,060.16
  6. Step 6: Final answer
    x = 5,412,650,113.42

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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.