Home / 528,830,455.74-729,016,885.17-369,566,113.29

Finding the Fourth Proportional to 528,830,455.74, 729,016,885.17 and 369,566,113.29

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Solution

The fourth proportional to 528,830,455.74, 729,016,885.17 and 369,566,113.29 is: 509,463,730.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,830,455.74 : 729,016,885.17 = 369,566,113.29 : x
  2. Step 2: Convert to fraction form
    528,830,455.74/729,016,885.17 = 369,566,113.29/x
  3. Step 3: Cross multiply
    528,830,455.74x = 729,016,885.17 × 369,566,113.29
  4. Step 4: Simplify right side
    528,830,455.74x = 269,419,936,775,059,136
  5. Step 5: Solve for x
    x = 269,419,936,775,059,136/528,830,455.74
  6. Step 6: Final answer
    x = 509,463,730.48

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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.