Home / 710,045,999.70-1,065,068,999.55-192,475,609.80

Finding the Fourth Proportional to 710,045,999.70, 1,065,068,999.55 and 192,475,609.80

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Solution

The fourth proportional to 710,045,999.70, 1,065,068,999.55 and 192,475,609.80 is: 288,713,414.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,045,999.70 : 1,065,068,999.55 = 192,475,609.80 : x
  2. Step 2: Convert to fraction form
    710,045,999.70/1,065,068,999.55 = 192,475,609.80/x
  3. Step 3: Cross multiply
    710,045,999.70x = 1,065,068,999.55 × 192,475,609.80
  4. Step 4: Simplify right side
    710,045,999.70x = 204,999,805,167,462,176
  5. Step 5: Solve for x
    x = 204,999,805,167,462,176/710,045,999.70
  6. Step 6: Final answer
    x = 288,713,414.70

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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.