Home / 290,413,155.60-435,088,891.80-236,267,312.40

Finding the Fourth Proportional to 290,413,155.60, 435,088,891.80 and 236,267,312.40

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Solution

The fourth proportional to 290,413,155.60, 435,088,891.80 and 236,267,312.40 is: 353,969,099.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,413,155.60 : 435,088,891.80 = 236,267,312.40 : x
  2. Step 2: Convert to fraction form
    290,413,155.60/435,088,891.80 = 236,267,312.40/x
  3. Step 3: Cross multiply
    290,413,155.60x = 435,088,891.80 × 236,267,312.40
  4. Step 4: Simplify right side
    290,413,155.60x = 102,797,283,120,680,400
  5. Step 5: Solve for x
    x = 102,797,283,120,680,400/290,413,155.60
  6. Step 6: Final answer
    x = 353,969,099.33

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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.