Home / 619,482,021.80-929,223,032.70-274,068,991.40

Finding the Fourth Proportional to 619,482,021.80, 929,223,032.70 and 274,068,991.40

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Solution

The fourth proportional to 619,482,021.80, 929,223,032.70 and 274,068,991.40 is: 411,103,487.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,482,021.80 : 929,223,032.70 = 274,068,991.40 : x
  2. Step 2: Convert to fraction form
    619,482,021.80/929,223,032.70 = 274,068,991.40/x
  3. Step 3: Cross multiply
    619,482,021.80x = 929,223,032.70 × 274,068,991.40
  4. Step 4: Simplify right side
    619,482,021.80x = 254,671,219,357,738,208
  5. Step 5: Solve for x
    x = 254,671,219,357,738,208/619,482,021.80
  6. Step 6: Final answer
    x = 411,103,487.10

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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.