Home / 30,248,538,751.64-41,746,643,870.30-17,215,890,115.20

Finding the Fourth Proportional to 30,248,538,751.64, 41,746,643,870.30 and 17,215,890,115.20

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Solution

The fourth proportional to 30,248,538,751.64, 41,746,643,870.30 and 17,215,890,115.20 is: 23,760,011,663.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,248,538,751.64 : 41,746,643,870.30 = 17,215,890,115.20 : x
  2. Step 2: Convert to fraction form
    30,248,538,751.64/41,746,643,870.30 = 17,215,890,115.20/x
  3. Step 3: Cross multiply
    30,248,538,751.64x = 41,746,643,870.30 × 17,215,890,115.20
  4. Step 4: Simplify right side
    30,248,538,751.64x = 718,705,633,549,386,383,360
  5. Step 5: Solve for x
    x = 718,705,633,549,386,383,360/30,248,538,751.64
  6. Step 6: Final answer
    x = 23,760,011,663.72

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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.