Home / 352,565,367.40-528,848,051.10-261,866,103.40

Finding the Fourth Proportional to 352,565,367.40, 528,848,051.10 and 261,866,103.40

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Solution

The fourth proportional to 352,565,367.40, 528,848,051.10 and 261,866,103.40 is: 392,799,155.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,565,367.40 : 528,848,051.10 = 261,866,103.40 : x
  2. Step 2: Convert to fraction form
    352,565,367.40/528,848,051.10 = 261,866,103.40/x
  3. Step 3: Cross multiply
    352,565,367.40x = 528,848,051.10 × 261,866,103.40
  4. Step 4: Simplify right side
    352,565,367.40x = 138,487,378,432,241,088
  5. Step 5: Solve for x
    x = 138,487,378,432,241,088/352,565,367.40
  6. Step 6: Final answer
    x = 392,799,155.10

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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.