Home / 439,207,266.87-658,787,697.38-144,063,509.31

Finding the Fourth Proportional to 439,207,266.87, 658,787,697.38 and 144,063,509.31

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Solution

The fourth proportional to 439,207,266.87, 658,787,697.38 and 144,063,509.31 is: 216,087,653.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,207,266.87 : 658,787,697.38 = 144,063,509.31 : x
  2. Step 2: Convert to fraction form
    439,207,266.87/658,787,697.38 = 144,063,509.31/x
  3. Step 3: Cross multiply
    439,207,266.87x = 658,787,697.38 × 144,063,509.31
  4. Step 4: Simplify right side
    439,207,266.87x = 94,907,267,574,817,088
  5. Step 5: Solve for x
    x = 94,907,267,574,817,088/439,207,266.87
  6. Step 6: Final answer
    x = 216,087,653.22

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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.