Home / 687,211,682.24-1,031,134,546.95-313,834,029.93

Finding the Fourth Proportional to 687,211,682.24, 1,031,134,546.95 and 313,834,029.93

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Solution

The fourth proportional to 687,211,682.24, 1,031,134,546.95 and 313,834,029.93 is: 470,895,822.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,211,682.24 : 1,031,134,546.95 = 313,834,029.93 : x
  2. Step 2: Convert to fraction form
    687,211,682.24/1,031,134,546.95 = 313,834,029.93/x
  3. Step 3: Cross multiply
    687,211,682.24x = 1,031,134,546.95 × 313,834,029.93
  4. Step 4: Simplify right side
    687,211,682.24x = 323,605,110,269,363,328
  5. Step 5: Solve for x
    x = 323,605,110,269,363,328/687,211,682.24
  6. Step 6: Final answer
    x = 470,895,822.40

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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.