Home / 607,124,561.82-837,831,718.71-328,665,880.86

Finding the Fourth Proportional to 607,124,561.82, 837,831,718.71 and 328,665,880.86

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Solution

The fourth proportional to 607,124,561.82, 837,831,718.71 and 328,665,880.86 is: 453,558,819.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,124,561.82 : 837,831,718.71 = 328,665,880.86 : x
  2. Step 2: Convert to fraction form
    607,124,561.82/837,831,718.71 = 328,665,880.86/x
  3. Step 3: Cross multiply
    607,124,561.82x = 837,831,718.71 × 328,665,880.86
  4. Step 4: Simplify right side
    607,124,561.82x = 275,366,699,842,269,920
  5. Step 5: Solve for x
    x = 275,366,699,842,269,920/607,124,561.82
  6. Step 6: Final answer
    x = 453,558,819.98

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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.