Home / 434,574,869.80-652,149,459.90-204,609,711.40

Finding the Fourth Proportional to 434,574,869.80, 652,149,459.90 and 204,609,711.40

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Solution

The fourth proportional to 434,574,869.80, 652,149,459.90 and 204,609,711.40 is: 307,049,767.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,574,869.80 : 652,149,459.90 = 204,609,711.40 : x
  2. Step 2: Convert to fraction form
    434,574,869.80/652,149,459.90 = 204,609,711.40/x
  3. Step 3: Cross multiply
    434,574,869.80x = 652,149,459.90 × 204,609,711.40
  4. Step 4: Simplify right side
    434,574,869.80x = 133,436,112,779,804,864
  5. Step 5: Solve for x
    x = 133,436,112,779,804,864/434,574,869.80
  6. Step 6: Final answer
    x = 307,049,767.61

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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.