Home / 738,051,395.75-1,018,532,183.78-408,047,792.39

Finding the Fourth Proportional to 738,051,395.75, 1,018,532,183.78 and 408,047,792.39

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Solution

The fourth proportional to 738,051,395.75, 1,018,532,183.78 and 408,047,792.39 is: 563,117,706.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,051,395.75 : 1,018,532,183.78 = 408,047,792.39 : x
  2. Step 2: Convert to fraction form
    738,051,395.75/1,018,532,183.78 = 408,047,792.39/x
  3. Step 3: Cross multiply
    738,051,395.75x = 1,018,532,183.78 × 408,047,792.39
  4. Step 4: Simplify right side
    738,051,395.75x = 415,609,809,069,594,752
  5. Step 5: Solve for x
    x = 415,609,809,069,594,752/738,051,395.75
  6. Step 6: Final answer
    x = 563,117,706.25

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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.