Home / 449,075,221.20-673,612,831.80-415,482,901.20

Finding the Fourth Proportional to 449,075,221.20, 673,612,831.80 and 415,482,901.20

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Solution

The fourth proportional to 449,075,221.20, 673,612,831.80 and 415,482,901.20 is: 623,224,351.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,075,221.20 : 673,612,831.80 = 415,482,901.20 : x
  2. Step 2: Convert to fraction form
    449,075,221.20/673,612,831.80 = 415,482,901.20/x
  3. Step 3: Cross multiply
    449,075,221.20x = 673,612,831.80 × 415,482,901.20
  4. Step 4: Simplify right side
    449,075,221.20x = 279,874,613,641,811,584
  5. Step 5: Solve for x
    x = 279,874,613,641,811,584/449,075,221.20
  6. Step 6: Final answer
    x = 623,224,351.80

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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.