Home / 458,766,516,895.08-687,960,443,106.72-156,603,457,696.59

Finding the Fourth Proportional to 458,766,516,895.08, 687,960,443,106.72 and 156,603,457,696.59

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Solution

The fourth proportional to 458,766,516,895.08, 687,960,443,106.72 and 156,603,457,696.59 is: 234,840,556,538.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,766,516,895.08 : 687,960,443,106.72 = 156,603,457,696.59 : x
  2. Step 2: Convert to fraction form
    458,766,516,895.08/687,960,443,106.72 = 156,603,457,696.59/x
  3. Step 3: Cross multiply
    458,766,516,895.08x = 687,960,443,106.72 × 156,603,457,696.59
  4. Step 4: Simplify right side
    458,766,516,895.08x = 107,736,984,148,990,530,420,736
  5. Step 5: Solve for x
    x = 107,736,984,148,990,530,420,736/458,766,516,895.08
  6. Step 6: Final answer
    x = 234,840,556,538.76

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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.