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Finding the Fourth Proportional to 15,956,353,886.70, 22,375,628,643.30 and 15,956,353,886.70

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Solution

The fourth proportional to 15,956,353,886.70, 22,375,628,643.30 and 15,956,353,886.70 is: 22,375,628,643.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,956,353,886.70 : 22,375,628,643.30 = 15,956,353,886.70 : x
  2. Step 2: Convert to fraction form
    15,956,353,886.70/22,375,628,643.30 = 15,956,353,886.70/x
  3. Step 3: Cross multiply
    15,956,353,886.70x = 22,375,628,643.30 × 15,956,353,886.70
  4. Step 4: Simplify right side
    15,956,353,886.70x = 357,033,449,069,875,822,592
  5. Step 5: Solve for x
    x = 357,033,449,069,875,822,592/15,956,353,886.70
  6. Step 6: Final answer
    x = 22,375,628,643.30

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.