Home / 454,152,989.19-626,731,365.22-245,309,131.41

Finding the Fourth Proportional to 454,152,989.19, 626,731,365.22 and 245,309,131.41

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Solution

The fourth proportional to 454,152,989.19, 626,731,365.22 and 245,309,131.41 is: 338,526,731.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,152,989.19 : 626,731,365.22 = 245,309,131.41 : x
  2. Step 2: Convert to fraction form
    454,152,989.19/626,731,365.22 = 245,309,131.41/x
  3. Step 3: Cross multiply
    454,152,989.19x = 626,731,365.22 × 245,309,131.41
  4. Step 4: Simplify right side
    454,152,989.19x = 153,742,926,829,521,696
  5. Step 5: Solve for x
    x = 153,742,926,829,521,696/454,152,989.19
  6. Step 6: Final answer
    x = 338,526,731.06

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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.