Home / 1,372,022,680.16-2,058,029,948.32-389,450,051.20

Finding the Fourth Proportional to 1,372,022,680.16, 2,058,029,948.32 and 389,450,051.20

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Solution

The fourth proportional to 1,372,022,680.16, 2,058,029,948.32 and 389,450,051.20 is: 584,173,920.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,022,680.16 : 2,058,029,948.32 = 389,450,051.20 : x
  2. Step 2: Convert to fraction form
    1,372,022,680.16/2,058,029,948.32 = 389,450,051.20/x
  3. Step 3: Cross multiply
    1,372,022,680.16x = 2,058,029,948.32 × 389,450,051.20
  4. Step 4: Simplify right side
    1,372,022,680.16x = 801,499,868,744,357,248
  5. Step 5: Solve for x
    x = 801,499,868,744,357,248/1,372,022,680.16
  6. Step 6: Final answer
    x = 584,173,920.98

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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.