Home / 8,159,487,614.40-12,239,231,421.60-2,642,704,881.60

Finding the Fourth Proportional to 8,159,487,614.40, 12,239,231,421.60 and 2,642,704,881.60

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Solution

The fourth proportional to 8,159,487,614.40, 12,239,231,421.60 and 2,642,704,881.60 is: 3,964,057,322.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,159,487,614.40 : 12,239,231,421.60 = 2,642,704,881.60 : x
  2. Step 2: Convert to fraction form
    8,159,487,614.40/12,239,231,421.60 = 2,642,704,881.60/x
  3. Step 3: Cross multiply
    8,159,487,614.40x = 12,239,231,421.60 × 2,642,704,881.60
  4. Step 4: Simplify right side
    8,159,487,614.40x = 32,344,676,624,894,427,136
  5. Step 5: Solve for x
    x = 32,344,676,624,894,427,136/8,159,487,614.40
  6. Step 6: Final answer
    x = 3,964,057,322.40

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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.