Home / 347,736,620.40-521,604,930.60-255,903,615.60

Finding the Fourth Proportional to 347,736,620.40, 521,604,930.60 and 255,903,615.60

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Solution

The fourth proportional to 347,736,620.40, 521,604,930.60 and 255,903,615.60 is: 383,855,423.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,736,620.40 : 521,604,930.60 = 255,903,615.60 : x
  2. Step 2: Convert to fraction form
    347,736,620.40/521,604,930.60 = 255,903,615.60/x
  3. Step 3: Cross multiply
    347,736,620.40x = 521,604,930.60 × 255,903,615.60
  4. Step 4: Simplify right side
    347,736,620.40x = 133,480,587,655,327,088
  5. Step 5: Solve for x
    x = 133,480,587,655,327,088/347,736,620.40
  6. Step 6: Final answer
    x = 383,855,423.40

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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.