Home / 434,538,757.60-651,808,136.40-204,956,245.60

Finding the Fourth Proportional to 434,538,757.60, 651,808,136.40 and 204,956,245.60

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Solution

The fourth proportional to 434,538,757.60, 651,808,136.40 and 204,956,245.60 is: 307,434,368.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,538,757.60 : 651,808,136.40 = 204,956,245.60 : x
  2. Step 2: Convert to fraction form
    434,538,757.60/651,808,136.40 = 204,956,245.60/x
  3. Step 3: Cross multiply
    434,538,757.60x = 651,808,136.40 × 204,956,245.60
  4. Step 4: Simplify right side
    434,538,757.60x = 133,592,148,488,076,688
  5. Step 5: Solve for x
    x = 133,592,148,488,076,688/434,538,757.60
  6. Step 6: Final answer
    x = 307,434,368.40

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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.