Home / 514,537,896.60-710,066,792.97-279,588,552.21

Finding the Fourth Proportional to 514,537,896.60, 710,066,792.97 and 279,588,552.21

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Solution

The fourth proportional to 514,537,896.60, 710,066,792.97 and 279,588,552.21 is: 385,834,644.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,537,896.60 : 710,066,792.97 = 279,588,552.21 : x
  2. Step 2: Convert to fraction form
    514,537,896.60/710,066,792.97 = 279,588,552.21/x
  3. Step 3: Cross multiply
    514,537,896.60x = 710,066,792.97 × 279,588,552.21
  4. Step 4: Simplify right side
    514,537,896.60x = 198,526,546,618,880,096
  5. Step 5: Solve for x
    x = 198,526,546,618,880,096/514,537,896.60
  6. Step 6: Final answer
    x = 385,834,644.89

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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.