Home / 693,999,039.90-1,040,960,242.08-507,444,156.76

Finding the Fourth Proportional to 693,999,039.90, 1,040,960,242.08 and 507,444,156.76

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Solution

The fourth proportional to 693,999,039.90, 1,040,960,242.08 and 507,444,156.76 is: 761,138,217.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,999,039.90 : 1,040,960,242.08 = 507,444,156.76 : x
  2. Step 2: Convert to fraction form
    693,999,039.90/1,040,960,242.08 = 507,444,156.76/x
  3. Step 3: Cross multiply
    693,999,039.90x = 1,040,960,242.08 × 507,444,156.76
  4. Step 4: Simplify right side
    693,999,039.90x = 528,229,192,262,971,072
  5. Step 5: Solve for x
    x = 528,229,192,262,971,072/693,999,039.90
  6. Step 6: Final answer
    x = 761,138,217.63

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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.