Home / 655,744,878.60-983,621,545.74-262,304,573.67

Finding the Fourth Proportional to 655,744,878.60, 983,621,545.74 and 262,304,573.67

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Solution

The fourth proportional to 655,744,878.60, 983,621,545.74 and 262,304,573.67 is: 393,458,551.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,744,878.60 : 983,621,545.74 = 262,304,573.67 : x
  2. Step 2: Convert to fraction form
    655,744,878.60/983,621,545.74 = 262,304,573.67/x
  3. Step 3: Cross multiply
    655,744,878.60x = 983,621,545.74 × 262,304,573.67
  4. Step 4: Simplify right side
    655,744,878.60x = 258,008,430,207,957,088
  5. Step 5: Solve for x
    x = 258,008,430,207,957,088/655,744,878.60
  6. Step 6: Final answer
    x = 393,458,551.68

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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.