Home / 277,004,827.20-415,507,240.80-266,423,246.40

Finding the Fourth Proportional to 277,004,827.20, 415,507,240.80 and 266,423,246.40

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Solution

The fourth proportional to 277,004,827.20, 415,507,240.80 and 266,423,246.40 is: 399,634,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,004,827.20 : 415,507,240.80 = 266,423,246.40 : x
  2. Step 2: Convert to fraction form
    277,004,827.20/415,507,240.80 = 266,423,246.40/x
  3. Step 3: Cross multiply
    277,004,827.20x = 415,507,240.80 × 266,423,246.40
  4. Step 4: Simplify right side
    277,004,827.20x = 110,700,787,996,642,544
  5. Step 5: Solve for x
    x = 110,700,787,996,642,544/277,004,827.20
  6. Step 6: Final answer
    x = 399,634,869.60

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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.