Home / 409,442,341,964.66-614,247,277,679.94-140,796,432,974.34

Finding the Fourth Proportional to 409,442,341,964.66, 614,247,277,679.94 and 140,796,432,974.34

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Solution

The fourth proportional to 409,442,341,964.66, 614,247,277,679.94 and 140,796,432,974.34 is: 211,223,453,946.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,442,341,964.66 : 614,247,277,679.94 = 140,796,432,974.34 : x
  2. Step 2: Convert to fraction form
    409,442,341,964.66/614,247,277,679.94 = 140,796,432,974.34/x
  3. Step 3: Cross multiply
    409,442,341,964.66x = 614,247,277,679.94 × 140,796,432,974.34
  4. Step 4: Simplify right side
    409,442,341,964.66x = 86,483,825,661,534,466,473,984
  5. Step 5: Solve for x
    x = 86,483,825,661,534,466,473,984/409,442,341,964.66
  6. Step 6: Final answer
    x = 211,223,453,946.05

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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.