Home / 807,434,283.70-1,211,151,424.19-194,018,509.45

Finding the Fourth Proportional to 807,434,283.70, 1,211,151,424.19 and 194,018,509.45

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Solution

The fourth proportional to 807,434,283.70, 1,211,151,424.19 and 194,018,509.45 is: 291,027,763.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,434,283.70 : 1,211,151,424.19 = 194,018,509.45 : x
  2. Step 2: Convert to fraction form
    807,434,283.70/1,211,151,424.19 = 194,018,509.45/x
  3. Step 3: Cross multiply
    807,434,283.70x = 1,211,151,424.19 × 194,018,509.45
  4. Step 4: Simplify right side
    807,434,283.70x = 234,985,794,039,588,480
  5. Step 5: Solve for x
    x = 234,985,794,039,588,480/807,434,283.70
  6. Step 6: Final answer
    x = 291,027,763.85

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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.