Home / 426,515,308.55-639,772,962.83-426,515,308.55

Finding the Fourth Proportional to 426,515,308.55, 639,772,962.83 and 426,515,308.55

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Solution

The fourth proportional to 426,515,308.55, 639,772,962.83 and 426,515,308.55 is: 639,772,962.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,515,308.55 : 639,772,962.83 = 426,515,308.55 : x
  2. Step 2: Convert to fraction form
    426,515,308.55/639,772,962.83 = 426,515,308.55/x
  3. Step 3: Cross multiply
    426,515,308.55x = 639,772,962.83 × 426,515,308.55
  4. Step 4: Simplify right side
    426,515,308.55x = 272,872,962,643,385,152
  5. Step 5: Solve for x
    x = 272,872,962,643,385,152/426,515,308.55
  6. Step 6: Final answer
    x = 639,772,962.83

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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.