Home / 356,287,895.10-534,431,842.65-220,238,999.10

Finding the Fourth Proportional to 356,287,895.10, 534,431,842.65 and 220,238,999.10

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Solution

The fourth proportional to 356,287,895.10, 534,431,842.65 and 220,238,999.10 is: 330,358,498.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,287,895.10 : 534,431,842.65 = 220,238,999.10 : x
  2. Step 2: Convert to fraction form
    356,287,895.10/534,431,842.65 = 220,238,999.10/x
  3. Step 3: Cross multiply
    356,287,895.10x = 534,431,842.65 × 220,238,999.10
  4. Step 4: Simplify right side
    356,287,895.10x = 117,702,734,112,404,688
  5. Step 5: Solve for x
    x = 117,702,734,112,404,688/356,287,895.10
  6. Step 6: Final answer
    x = 330,358,498.65

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Why These Related Problems?

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