Home / 436,162,025.80-654,243,038.70-313,718,019.40

Finding the Fourth Proportional to 436,162,025.80, 654,243,038.70 and 313,718,019.40

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Solution

The fourth proportional to 436,162,025.80, 654,243,038.70 and 313,718,019.40 is: 470,577,029.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,162,025.80 : 654,243,038.70 = 313,718,019.40 : x
  2. Step 2: Convert to fraction form
    436,162,025.80/654,243,038.70 = 313,718,019.40/x
  3. Step 3: Cross multiply
    436,162,025.80x = 654,243,038.70 × 313,718,019.40
  4. Step 4: Simplify right side
    436,162,025.80x = 205,247,830,307,201,536
  5. Step 5: Solve for x
    x = 205,247,830,307,201,536/436,162,025.80
  6. Step 6: Final answer
    x = 470,577,029.10

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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.