Home / 314,928,878.80-472,393,318.20-176,612,501.20

Finding the Fourth Proportional to 314,928,878.80, 472,393,318.20 and 176,612,501.20

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Solution

The fourth proportional to 314,928,878.80, 472,393,318.20 and 176,612,501.20 is: 264,918,751.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,878.80 : 472,393,318.20 = 176,612,501.20 : x
  2. Step 2: Convert to fraction form
    314,928,878.80/472,393,318.20 = 176,612,501.20/x
  3. Step 3: Cross multiply
    314,928,878.80x = 472,393,318.20 × 176,612,501.20
  4. Step 4: Simplify right side
    314,928,878.80x = 83,430,565,477,469,472
  5. Step 5: Solve for x
    x = 83,430,565,477,469,472/314,928,878.80
  6. Step 6: Final answer
    x = 264,918,751.80

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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.