Home / 423,877,367.40-584,956,039.38-256,611,408.36

Finding the Fourth Proportional to 423,877,367.40, 584,956,039.38 and 256,611,408.36

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Solution

The fourth proportional to 423,877,367.40, 584,956,039.38 and 256,611,408.36 is: 354,126,935.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,877,367.40 : 584,956,039.38 = 256,611,408.36 : x
  2. Step 2: Convert to fraction form
    423,877,367.40/584,956,039.38 = 256,611,408.36/x
  3. Step 3: Cross multiply
    423,877,367.40x = 584,956,039.38 × 256,611,408.36
  4. Step 4: Simplify right side
    423,877,367.40x = 150,106,393,093,989,440
  5. Step 5: Solve for x
    x = 150,106,393,093,989,440/423,877,367.40
  6. Step 6: Final answer
    x = 354,126,935.38

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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.