Home / 318,282,073.80-477,423,110.70-303,215,721.45

Finding the Fourth Proportional to 318,282,073.80, 477,423,110.70 and 303,215,721.45

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Solution

The fourth proportional to 318,282,073.80, 477,423,110.70 and 303,215,721.45 is: 454,823,582.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,282,073.80 : 477,423,110.70 = 303,215,721.45 : x
  2. Step 2: Convert to fraction form
    318,282,073.80/477,423,110.70 = 303,215,721.45/x
  3. Step 3: Cross multiply
    318,282,073.80x = 477,423,110.70 × 303,215,721.45
  4. Step 4: Simplify right side
    318,282,073.80x = 144,762,192,947,803,712
  5. Step 5: Solve for x
    x = 144,762,192,947,803,712/318,282,073.80
  6. Step 6: Final answer
    x = 454,823,582.18

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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.