Home / 540,436,487.76-745,871,423.40-302,294,906.64

Finding the Fourth Proportional to 540,436,487.76, 745,871,423.40 and 302,294,906.64

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Solution

The fourth proportional to 540,436,487.76, 745,871,423.40 and 302,294,906.64 is: 417,205,605.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,436,487.76 : 745,871,423.40 = 302,294,906.64 : x
  2. Step 2: Convert to fraction form
    540,436,487.76/745,871,423.40 = 302,294,906.64/x
  3. Step 3: Cross multiply
    540,436,487.76x = 745,871,423.40 × 302,294,906.64
  4. Step 4: Simplify right side
    540,436,487.76x = 225,473,132,302,146,880
  5. Step 5: Solve for x
    x = 225,473,132,302,146,880/540,436,487.76
  6. Step 6: Final answer
    x = 417,205,605.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.