Home / 710,045,998.20-1,065,068,997.30-192,475,608.30

Finding the Fourth Proportional to 710,045,998.20, 1,065,068,997.30 and 192,475,608.30

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Solution

The fourth proportional to 710,045,998.20, 1,065,068,997.30 and 192,475,608.30 is: 288,713,412.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,045,998.20 : 1,065,068,997.30 = 192,475,608.30 : x
  2. Step 2: Convert to fraction form
    710,045,998.20/1,065,068,997.30 = 192,475,608.30/x
  3. Step 3: Cross multiply
    710,045,998.20x = 1,065,068,997.30 × 192,475,608.30
  4. Step 4: Simplify right side
    710,045,998.20x = 204,999,803,136,788,576
  5. Step 5: Solve for x
    x = 204,999,803,136,788,576/710,045,998.20
  6. Step 6: Final answer
    x = 288,713,412.45

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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.