Home / 465,519,631.08-697,489,231.56-280,899,160

Finding the Fourth Proportional to 465,519,631.08, 697,489,231.56 and 280,899,160

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Solution

The fourth proportional to 465,519,631.08, 697,489,231.56 and 280,899,160 is: 420,871,916.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,519,631.08 : 697,489,231.56 = 280,899,160 : x
  2. Step 2: Convert to fraction form
    465,519,631.08/697,489,231.56 = 280,899,160/x
  3. Step 3: Cross multiply
    465,519,631.08x = 697,489,231.56 × 280,899,160
  4. Step 4: Simplify right side
    465,519,631.08x = 195,924,139,254,249,472
  5. Step 5: Solve for x
    x = 195,924,139,254,249,472/465,519,631.08
  6. Step 6: Final answer
    x = 420,871,916.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.