Home / 747,398,038.39-1,121,092,979.51-304,738,981.36

Finding the Fourth Proportional to 747,398,038.39, 1,121,092,979.51 and 304,738,981.36

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Solution

The fourth proportional to 747,398,038.39, 1,121,092,979.51 and 304,738,981.36 is: 457,106,809.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,398,038.39 : 1,121,092,979.51 = 304,738,981.36 : x
  2. Step 2: Convert to fraction form
    747,398,038.39/1,121,092,979.51 = 304,738,981.36/x
  3. Step 3: Cross multiply
    747,398,038.39x = 1,121,092,979.51 × 304,738,981.36
  4. Step 4: Simplify right side
    747,398,038.39x = 341,640,732,583,683,904
  5. Step 5: Solve for x
    x = 341,640,732,583,683,904/747,398,038.39
  6. Step 6: Final answer
    x = 457,106,809.27

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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.