Home / 651,565,344.87-898,316,208.63-422,011,709.37

Finding the Fourth Proportional to 651,565,344.87, 898,316,208.63 and 422,011,709.37

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Solution

The fourth proportional to 651,565,344.87, 898,316,208.63 and 422,011,709.37 is: 581,829,530.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,565,344.87 : 898,316,208.63 = 422,011,709.37 : x
  2. Step 2: Convert to fraction form
    651,565,344.87/898,316,208.63 = 422,011,709.37/x
  3. Step 3: Cross multiply
    651,565,344.87x = 898,316,208.63 × 422,011,709.37
  4. Step 4: Simplify right side
    651,565,344.87x = 379,099,958,758,723,840
  5. Step 5: Solve for x
    x = 379,099,958,758,723,840/651,565,344.87
  6. Step 6: Final answer
    x = 581,829,530.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.