Home / 313,765,947.09-470,943,792.02-164,307,684.76

Finding the Fourth Proportional to 313,765,947.09, 470,943,792.02 and 164,307,684.76

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Solution

The fourth proportional to 313,765,947.09, 470,943,792.02 and 164,307,684.76 is: 246,615,940.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,765,947.09 : 470,943,792.02 = 164,307,684.76 : x
  2. Step 2: Convert to fraction form
    313,765,947.09/470,943,792.02 = 164,307,684.76/x
  3. Step 3: Cross multiply
    313,765,947.09x = 470,943,792.02 × 164,307,684.76
  4. Step 4: Simplify right side
    313,765,947.09x = 77,379,684,118,134,560
  5. Step 5: Solve for x
    x = 77,379,684,118,134,560/313,765,947.09
  6. Step 6: Final answer
    x = 246,615,940.44

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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.