Home / 2,381,550,319.52-3,286,950,809.18-1,378,520,927.88

Finding the Fourth Proportional to 2,381,550,319.52, 3,286,950,809.18 and 1,378,520,927.88

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Solution

The fourth proportional to 2,381,550,319.52, 3,286,950,809.18 and 1,378,520,927.88 is: 1,902,596,994.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,381,550,319.52 : 3,286,950,809.18 = 1,378,520,927.88 : x
  2. Step 2: Convert to fraction form
    2,381,550,319.52/3,286,950,809.18 = 1,378,520,927.88/x
  3. Step 3: Cross multiply
    2,381,550,319.52x = 3,286,950,809.18 × 1,378,520,927.88
  4. Step 4: Simplify right side
    2,381,550,319.52x = 4,531,130,479,366,730,752
  5. Step 5: Solve for x
    x = 4,531,130,479,366,730,752/2,381,550,319.52
  6. Step 6: Final answer
    x = 1,902,596,994.16

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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.