Home / 434,574,870.80-652,149,461.40-204,609,712.40

Finding the Fourth Proportional to 434,574,870.80, 652,149,461.40 and 204,609,712.40

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Solution

The fourth proportional to 434,574,870.80, 652,149,461.40 and 204,609,712.40 is: 307,049,769.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,574,870.80 : 652,149,461.40 = 204,609,712.40 : x
  2. Step 2: Convert to fraction form
    434,574,870.80/652,149,461.40 = 204,609,712.40/x
  3. Step 3: Cross multiply
    434,574,870.80x = 652,149,461.40 × 204,609,712.40
  4. Step 4: Simplify right side
    434,574,870.80x = 133,436,113,738,868,896
  5. Step 5: Solve for x
    x = 133,436,113,738,868,896/434,574,870.80
  6. Step 6: Final answer
    x = 307,049,769.11

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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.