Home / 1,042,380,590.80-1,563,569,631.60-266,026,334.80

Finding the Fourth Proportional to 1,042,380,590.80, 1,563,569,631.60 and 266,026,334.80

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Solution

The fourth proportional to 1,042,380,590.80, 1,563,569,631.60 and 266,026,334.80 is: 399,039,182.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,380,590.80 : 1,563,569,631.60 = 266,026,334.80 : x
  2. Step 2: Convert to fraction form
    1,042,380,590.80/1,563,569,631.60 = 266,026,334.80/x
  3. Step 3: Cross multiply
    1,042,380,590.80x = 1,563,569,631.60 × 266,026,334.80
  4. Step 4: Simplify right side
    1,042,380,590.80x = 415,950,698,299,134,272
  5. Step 5: Solve for x
    x = 415,950,698,299,134,272/1,042,380,590.80
  6. Step 6: Final answer
    x = 399,039,182.01

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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.