Home / 630,517,817.36-945,866,983.54-193,855,160.76

Finding the Fourth Proportional to 630,517,817.36, 945,866,983.54 and 193,855,160.76

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Solution

The fourth proportional to 630,517,817.36, 945,866,983.54 and 193,855,160.76 is: 290,810,491.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,517,817.36 : 945,866,983.54 = 193,855,160.76 : x
  2. Step 2: Convert to fraction form
    630,517,817.36/945,866,983.54 = 193,855,160.76/x
  3. Step 3: Cross multiply
    630,517,817.36x = 945,866,983.54 × 193,855,160.76
  4. Step 4: Simplify right side
    630,517,817.36x = 183,361,196,151,722,944
  5. Step 5: Solve for x
    x = 183,361,196,151,722,944/630,517,817.36
  6. Step 6: Final answer
    x = 290,810,491.16

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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.