Home / 435,672,003.70-653,508,005.55-163,007,341.30

Finding the Fourth Proportional to 435,672,003.70, 653,508,005.55 and 163,007,341.30

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Solution

The fourth proportional to 435,672,003.70, 653,508,005.55 and 163,007,341.30 is: 244,511,011.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,672,003.70 : 653,508,005.55 = 163,007,341.30 : x
  2. Step 2: Convert to fraction form
    435,672,003.70/653,508,005.55 = 163,007,341.30/x
  3. Step 3: Cross multiply
    435,672,003.70x = 653,508,005.55 × 163,007,341.30
  4. Step 4: Simplify right side
    435,672,003.70x = 106,526,602,502,971,152
  5. Step 5: Solve for x
    x = 106,526,602,502,971,152/435,672,003.70
  6. Step 6: Final answer
    x = 244,511,011.95

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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.