Home / 7,213,387,012.47-10,812,528,725.70-3,018,743,128.53

Finding the Fourth Proportional to 7,213,387,012.47, 10,812,528,725.70 and 3,018,743,128.53

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Solution

The fourth proportional to 7,213,387,012.47, 10,812,528,725.70 and 3,018,743,128.53 is: 4,524,954,329.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,213,387,012.47 : 10,812,528,725.70 = 3,018,743,128.53 : x
  2. Step 2: Convert to fraction form
    7,213,387,012.47/10,812,528,725.70 = 3,018,743,128.53/x
  3. Step 3: Cross multiply
    7,213,387,012.47x = 10,812,528,725.70 × 3,018,743,128.53
  4. Step 4: Simplify right side
    7,213,387,012.47x = 32,640,246,792,740,118,528
  5. Step 5: Solve for x
    x = 32,640,246,792,740,118,528/7,213,387,012.47
  6. Step 6: Final answer
    x = 4,524,954,329.54

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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.