Home / 12,989,434,281,376-17,926,956,034,037-7,715,903,727,320.50

Finding the Fourth Proportional to 12,989,434,281,376, 17,926,956,034,037 and 7,715,903,727,320.50

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Solution

The fourth proportional to 12,989,434,281,376, 17,926,956,034,037 and 7,715,903,727,320.50 is: 10,648,859,980,057.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,989,434,281,376 : 17,926,956,034,037 = 7,715,903,727,320.50 : x
  2. Step 2: Convert to fraction form
    12,989,434,281,376/17,926,956,034,037 = 7,715,903,727,320.50/x
  3. Step 3: Cross multiply
    12,989,434,281,376x = 17,926,956,034,037 × 7,715,903,727,320.50
  4. Step 4: Simplify right side
    12,989,434,281,376x = 138,322,666,882,536,819,417,677,824
  5. Step 5: Solve for x
    x = 138,322,666,882,536,819,417,677,824/12,989,434,281,376
  6. Step 6: Final answer
    x = 10,648,859,980,057.88

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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.