Home / 288,714,575.40-433,071,863.10-135,659,567.40

Finding the Fourth Proportional to 288,714,575.40, 433,071,863.10 and 135,659,567.40

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Solution

The fourth proportional to 288,714,575.40, 433,071,863.10 and 135,659,567.40 is: 203,489,351.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,714,575.40 : 433,071,863.10 = 135,659,567.40 : x
  2. Step 2: Convert to fraction form
    288,714,575.40/433,071,863.10 = 135,659,567.40/x
  3. Step 3: Cross multiply
    288,714,575.40x = 433,071,863.10 × 135,659,567.40
  4. Step 4: Simplify right side
    288,714,575.40x = 58,750,341,601,258,032
  5. Step 5: Solve for x
    x = 58,750,341,601,258,032/288,714,575.40
  6. Step 6: Final answer
    x = 203,489,351.10

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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.