Home / 291,342,657.40-437,013,986.10-255,510,849.40

Finding the Fourth Proportional to 291,342,657.40, 437,013,986.10 and 255,510,849.40

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Solution

The fourth proportional to 291,342,657.40, 437,013,986.10 and 255,510,849.40 is: 383,266,274.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,342,657.40 : 437,013,986.10 = 255,510,849.40 : x
  2. Step 2: Convert to fraction form
    291,342,657.40/437,013,986.10 = 255,510,849.40/x
  3. Step 3: Cross multiply
    291,342,657.40x = 437,013,986.10 × 255,510,849.40
  4. Step 4: Simplify right side
    291,342,657.40x = 111,661,814,788,090,800
  5. Step 5: Solve for x
    x = 111,661,814,788,090,800/291,342,657.40
  6. Step 6: Final answer
    x = 383,266,274.10

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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.