Home / 188,486,762,457.61-282,728,280,498.79-86,354,385,715.76

Finding the Fourth Proportional to 188,486,762,457.61, 282,728,280,498.79 and 86,354,385,715.76

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Solution

The fourth proportional to 188,486,762,457.61, 282,728,280,498.79 and 86,354,385,715.76 is: 129,530,724,962.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,486,762,457.61 : 282,728,280,498.79 = 86,354,385,715.76 : x
  2. Step 2: Convert to fraction form
    188,486,762,457.61/282,728,280,498.79 = 86,354,385,715.76/x
  3. Step 3: Cross multiply
    188,486,762,457.61x = 282,728,280,498.79 × 86,354,385,715.76
  4. Step 4: Simplify right side
    188,486,762,457.61x = 24,414,826,986,944,684,097,536
  5. Step 5: Solve for x
    x = 24,414,826,986,944,684,097,536/188,486,762,457.61
  6. Step 6: Final answer
    x = 129,530,724,962.37

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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.