Home / 747,398,038.76-1,121,092,980.06-304,738,981.73

Finding the Fourth Proportional to 747,398,038.76, 1,121,092,980.06 and 304,738,981.73

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Solution

The fourth proportional to 747,398,038.76, 1,121,092,980.06 and 304,738,981.73 is: 457,106,809.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,398,038.76 : 1,121,092,980.06 = 304,738,981.73 : x
  2. Step 2: Convert to fraction form
    747,398,038.76/1,121,092,980.06 = 304,738,981.73/x
  3. Step 3: Cross multiply
    747,398,038.76x = 1,121,092,980.06 × 304,738,981.73
  4. Step 4: Simplify right side
    747,398,038.76x = 341,640,733,162,530,112
  5. Step 5: Solve for x
    x = 341,640,733,162,530,112/747,398,038.76
  6. Step 6: Final answer
    x = 457,106,809.82

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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.