Home / 314,928,923.70-472,393,385.55-288,144,297.30

Finding the Fourth Proportional to 314,928,923.70, 472,393,385.55 and 288,144,297.30

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Solution

The fourth proportional to 314,928,923.70, 472,393,385.55 and 288,144,297.30 is: 432,216,445.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,923.70 : 472,393,385.55 = 288,144,297.30 : x
  2. Step 2: Convert to fraction form
    314,928,923.70/472,393,385.55 = 288,144,297.30/x
  3. Step 3: Cross multiply
    314,928,923.70x = 472,393,385.55 × 288,144,297.30
  4. Step 4: Simplify right side
    314,928,923.70x = 136,117,460,128,472,736
  5. Step 5: Solve for x
    x = 136,117,460,128,472,736/314,928,923.70
  6. Step 6: Final answer
    x = 432,216,445.95

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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.