Home / 291,342,656.40-437,013,984.60-255,510,848.40

Finding the Fourth Proportional to 291,342,656.40, 437,013,984.60 and 255,510,848.40

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Solution

The fourth proportional to 291,342,656.40, 437,013,984.60 and 255,510,848.40 is: 383,266,272.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,342,656.40 : 437,013,984.60 = 255,510,848.40 : x
  2. Step 2: Convert to fraction form
    291,342,656.40/437,013,984.60 = 255,510,848.40/x
  3. Step 3: Cross multiply
    291,342,656.40x = 437,013,984.60 × 255,510,848.40
  4. Step 4: Simplify right side
    291,342,656.40x = 111,661,813,967,810,544
  5. Step 5: Solve for x
    x = 111,661,813,967,810,544/291,342,656.40
  6. Step 6: Final answer
    x = 383,266,272.60

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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.