Home / 371,820,348-556,653,492-280,090,408.32

Finding the Fourth Proportional to 371,820,348, 556,653,492 and 280,090,408.32

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Solution

The fourth proportional to 371,820,348, 556,653,492 and 280,090,408.32 is: 419,324,291.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,820,348 : 556,653,492 = 280,090,408.32 : x
  2. Step 2: Convert to fraction form
    371,820,348/556,653,492 = 280,090,408.32/x
  3. Step 3: Cross multiply
    371,820,348x = 556,653,492 × 280,090,408.32
  4. Step 4: Simplify right side
    371,820,348x = 155,913,303,867,033,856
  5. Step 5: Solve for x
    x = 155,913,303,867,033,856/371,820,348
  6. Step 6: Final answer
    x = 419,324,291.17

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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.