Home / 482,718,086.80-724,077,130.20-289,226,323.60

Finding the Fourth Proportional to 482,718,086.80, 724,077,130.20 and 289,226,323.60

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Solution

The fourth proportional to 482,718,086.80, 724,077,130.20 and 289,226,323.60 is: 433,839,485.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,718,086.80 : 724,077,130.20 = 289,226,323.60 : x
  2. Step 2: Convert to fraction form
    482,718,086.80/724,077,130.20 = 289,226,323.60/x
  3. Step 3: Cross multiply
    482,718,086.80x = 724,077,130.20 × 289,226,323.60
  4. Step 4: Simplify right side
    482,718,086.80x = 209,422,166,370,584,576
  5. Step 5: Solve for x
    x = 209,422,166,370,584,576/482,718,086.80
  6. Step 6: Final answer
    x = 433,839,485.40

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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.