Home / 826,690,306.59-1,240,215,021.03-302,058,565.67

Finding the Fourth Proportional to 826,690,306.59, 1,240,215,021.03 and 302,058,565.67

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Solution

The fourth proportional to 826,690,306.59, 1,240,215,021.03 and 302,058,565.67 is: 453,153,457.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,690,306.59 : 1,240,215,021.03 = 302,058,565.67 : x
  2. Step 2: Convert to fraction form
    826,690,306.59/1,240,215,021.03 = 302,058,565.67/x
  3. Step 3: Cross multiply
    826,690,306.59x = 1,240,215,021.03 × 302,058,565.67
  4. Step 4: Simplify right side
    826,690,306.59x = 374,617,570,374,710,720
  5. Step 5: Solve for x
    x = 374,617,570,374,710,720/826,690,306.59
  6. Step 6: Final answer
    x = 453,153,457.09

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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.