Home / 291,255,428.40-436,883,142.60-176,966,890.80

Finding the Fourth Proportional to 291,255,428.40, 436,883,142.60 and 176,966,890.80

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Solution

The fourth proportional to 291,255,428.40, 436,883,142.60 and 176,966,890.80 is: 265,450,336.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,255,428.40 : 436,883,142.60 = 176,966,890.80 : x
  2. Step 2: Convert to fraction form
    291,255,428.40/436,883,142.60 = 176,966,890.80/x
  3. Step 3: Cross multiply
    291,255,428.40x = 436,883,142.60 × 176,966,890.80
  4. Step 4: Simplify right side
    291,255,428.40x = 77,313,851,388,855,040
  5. Step 5: Solve for x
    x = 77,313,851,388,855,040/291,255,428.40
  6. Step 6: Final answer
    x = 265,450,336.20

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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.