Home / 434,538,939.60-651,808,409.40-204,956,427.60

Finding the Fourth Proportional to 434,538,939.60, 651,808,409.40 and 204,956,427.60

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Solution

The fourth proportional to 434,538,939.60, 651,808,409.40 and 204,956,427.60 is: 307,434,641.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,538,939.60 : 651,808,409.40 = 204,956,427.60 : x
  2. Step 2: Convert to fraction form
    434,538,939.60/651,808,409.40 = 204,956,427.60/x
  3. Step 3: Cross multiply
    434,538,939.60x = 651,808,409.40 × 204,956,427.60
  4. Step 4: Simplify right side
    434,538,939.60x = 133,592,323,070,262,256
  5. Step 5: Solve for x
    x = 133,592,323,070,262,256/434,538,939.60
  6. Step 6: Final answer
    x = 307,434,641.40

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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.