Home / 352,290,547.60-528,435,821.40-221,343,485.20

Finding the Fourth Proportional to 352,290,547.60, 528,435,821.40 and 221,343,485.20

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Solution

The fourth proportional to 352,290,547.60, 528,435,821.40 and 221,343,485.20 is: 332,015,227.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,290,547.60 : 528,435,821.40 = 221,343,485.20 : x
  2. Step 2: Convert to fraction form
    352,290,547.60/528,435,821.40 = 221,343,485.20/x
  3. Step 3: Cross multiply
    352,290,547.60x = 528,435,821.40 × 221,343,485.20
  4. Step 4: Simplify right side
    352,290,547.60x = 116,965,826,413,200,736
  5. Step 5: Solve for x
    x = 116,965,826,413,200,736/352,290,547.60
  6. Step 6: Final answer
    x = 332,015,227.80

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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.