Home / 747,398,038.26-1,121,092,979.31-304,738,981.23

Finding the Fourth Proportional to 747,398,038.26, 1,121,092,979.31 and 304,738,981.23

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Solution

The fourth proportional to 747,398,038.26, 1,121,092,979.31 and 304,738,981.23 is: 457,106,809.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,398,038.26 : 1,121,092,979.31 = 304,738,981.23 : x
  2. Step 2: Convert to fraction form
    747,398,038.26/1,121,092,979.31 = 304,738,981.23/x
  3. Step 3: Cross multiply
    747,398,038.26x = 1,121,092,979.31 × 304,738,981.23
  4. Step 4: Simplify right side
    747,398,038.26x = 341,640,732,374,191,296
  5. Step 5: Solve for x
    x = 341,640,732,374,191,296/747,398,038.26
  6. Step 6: Final answer
    x = 457,106,809.07

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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.