Home / 509,356,673.59-702,939,884.22-283,319,537.06

Finding the Fourth Proportional to 509,356,673.59, 702,939,884.22 and 283,319,537.06

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Solution

The fourth proportional to 509,356,673.59, 702,939,884.22 and 283,319,537.06 is: 390,996,354.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,356,673.59 : 702,939,884.22 = 283,319,537.06 : x
  2. Step 2: Convert to fraction form
    509,356,673.59/702,939,884.22 = 283,319,537.06/x
  3. Step 3: Cross multiply
    509,356,673.59x = 702,939,884.22 × 283,319,537.06
  4. Step 4: Simplify right side
    509,356,673.59x = 199,156,602,574,705,728
  5. Step 5: Solve for x
    x = 199,156,602,574,705,728/509,356,673.59
  6. Step 6: Final answer
    x = 390,996,354.62

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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.