Home / 435,483,721.80-653,281,569.90-217,245,616.20

Finding the Fourth Proportional to 435,483,721.80, 653,281,569.90 and 217,245,616.20

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Solution

The fourth proportional to 435,483,721.80, 653,281,569.90 and 217,245,616.20 is: 325,896,354.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,483,721.80 : 653,281,569.90 = 217,245,616.20 : x
  2. Step 2: Convert to fraction form
    435,483,721.80/653,281,569.90 = 217,245,616.20/x
  3. Step 3: Cross multiply
    435,483,721.80x = 653,281,569.90 × 217,245,616.20
  4. Step 4: Simplify right side
    435,483,721.80x = 141,922,557,205,028,864
  5. Step 5: Solve for x
    x = 141,922,557,205,028,864/435,483,721.80
  6. Step 6: Final answer
    x = 325,896,354.10

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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.