Home / 1,005,347,227.23-1,387,391,941.44-553,277,244.06

Finding the Fourth Proportional to 1,005,347,227.23, 1,387,391,941.44 and 553,277,244.06

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Solution

The fourth proportional to 1,005,347,227.23, 1,387,391,941.44 and 553,277,244.06 is: 763,529,623.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,347,227.23 : 1,387,391,941.44 = 553,277,244.06 : x
  2. Step 2: Convert to fraction form
    1,005,347,227.23/1,387,391,941.44 = 553,277,244.06/x
  3. Step 3: Cross multiply
    1,005,347,227.23x = 1,387,391,941.44 × 553,277,244.06
  4. Step 4: Simplify right side
    1,005,347,227.23x = 767,612,389,790,976,000
  5. Step 5: Solve for x
    x = 767,612,389,790,976,000/1,005,347,227.23
  6. Step 6: Final answer
    x = 763,529,623.40

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Double scale
Find fourth proportional to 1,005,347,228.23, 1,387,391,942.82 and 553,277,245.06
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.