Home / 860,747,615.74-1,291,613,428.65-467,306,431.67

Finding the Fourth Proportional to 860,747,615.74, 1,291,613,428.65 and 467,306,431.67

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Solution

The fourth proportional to 860,747,615.74, 1,291,613,428.65 and 467,306,431.67 is: 701,226,760.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,747,615.74 : 1,291,613,428.65 = 467,306,431.67 : x
  2. Step 2: Convert to fraction form
    860,747,615.74/1,291,613,428.65 = 467,306,431.67/x
  3. Step 3: Cross multiply
    860,747,615.74x = 1,291,613,428.65 × 467,306,431.67
  4. Step 4: Simplify right side
    860,747,615.74x = 603,579,262,437,149,184
  5. Step 5: Solve for x
    x = 603,579,262,437,149,184/860,747,615.74
  6. Step 6: Final answer
    x = 701,226,760.78

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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.