Home / 525,078,017.46-787,702,503.06-245,238,770.09

Finding the Fourth Proportional to 525,078,017.46, 787,702,503.06 and 245,238,770.09

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Solution

The fourth proportional to 525,078,017.46, 787,702,503.06 and 245,238,770.09 is: 367,898,077.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,078,017.46 : 787,702,503.06 = 245,238,770.09 : x
  2. Step 2: Convert to fraction form
    525,078,017.46/787,702,503.06 = 245,238,770.09/x
  3. Step 3: Cross multiply
    525,078,017.46x = 787,702,503.06 × 245,238,770.09
  4. Step 4: Simplify right side
    525,078,017.46x = 193,175,193,044,791,200
  5. Step 5: Solve for x
    x = 193,175,193,044,791,200/525,078,017.46
  6. Step 6: Final answer
    x = 367,898,077.28

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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.