Home / 687,590,040.30-1,031,385,060.45-687,590,040.30

Finding the Fourth Proportional to 687,590,040.30, 1,031,385,060.45 and 687,590,040.30

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Solution

The fourth proportional to 687,590,040.30, 1,031,385,060.45 and 687,590,040.30 is: 1,031,385,060.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,590,040.30 : 1,031,385,060.45 = 687,590,040.30 : x
  2. Step 2: Convert to fraction form
    687,590,040.30/1,031,385,060.45 = 687,590,040.30/x
  3. Step 3: Cross multiply
    687,590,040.30x = 1,031,385,060.45 × 687,590,040.30
  4. Step 4: Simplify right side
    687,590,040.30x = 709,170,095,279,633,408
  5. Step 5: Solve for x
    x = 709,170,095,279,633,408/687,590,040.30
  6. Step 6: Final answer
    x = 1,031,385,060.45

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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.