Home / 738,130,160.80-1,107,111,260.40-192,926,807.20

Finding the Fourth Proportional to 738,130,160.80, 1,107,111,260.40 and 192,926,807.20

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Solution

The fourth proportional to 738,130,160.80, 1,107,111,260.40 and 192,926,807.20 is: 289,368,260.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,130,160.80 : 1,107,111,260.40 = 192,926,807.20 : x
  2. Step 2: Convert to fraction form
    738,130,160.80/1,107,111,260.40 = 192,926,807.20/x
  3. Step 3: Cross multiply
    738,130,160.80x = 1,107,111,260.40 × 192,926,807.20
  4. Step 4: Simplify right side
    738,130,160.80x = 213,591,440,684,139,808
  5. Step 5: Solve for x
    x = 213,591,440,684,139,808/738,130,160.80
  6. Step 6: Final answer
    x = 289,368,260.54

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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.