Home / 288,933,477.40-433,400,216.10-135,878,469.40

Finding the Fourth Proportional to 288,933,477.40, 433,400,216.10 and 135,878,469.40

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Solution

The fourth proportional to 288,933,477.40, 433,400,216.10 and 135,878,469.40 is: 203,817,704.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,933,477.40 : 433,400,216.10 = 135,878,469.40 : x
  2. Step 2: Convert to fraction form
    288,933,477.40/433,400,216.10 = 135,878,469.40/x
  3. Step 3: Cross multiply
    288,933,477.40x = 433,400,216.10 × 135,878,469.40
  4. Step 4: Simplify right side
    288,933,477.40x = 58,889,758,001,297,240
  5. Step 5: Solve for x
    x = 58,889,758,001,297,240/288,933,477.40
  6. Step 6: Final answer
    x = 203,817,704.10

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1.5x scale

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.