Home / 9,479,145,820.25-13,081,060,916.93-5,249,966,906.90

Finding the Fourth Proportional to 9,479,145,820.25, 13,081,060,916.93 and 5,249,966,906.90

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Solution

The fourth proportional to 9,479,145,820.25, 13,081,060,916.93 and 5,249,966,906.90 is: 7,244,865,542.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,479,145,820.25 : 13,081,060,916.93 = 5,249,966,906.90 : x
  2. Step 2: Convert to fraction form
    9,479,145,820.25/13,081,060,916.93 = 5,249,966,906.90/x
  3. Step 3: Cross multiply
    9,479,145,820.25x = 13,081,060,916.93 × 5,249,966,906.90
  4. Step 4: Simplify right side
    9,479,145,820.25x = 68,675,136,920,975,826,944
  5. Step 5: Solve for x
    x = 68,675,136,920,975,826,944/9,479,145,820.25
  6. Step 6: Final answer
    x = 7,244,865,542.03

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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.