Home / 565,780,892,998.24-780,780,803,662.96-321,910,355,948.86

Finding the Fourth Proportional to 565,780,892,998.24, 780,780,803,662.96 and 321,910,355,948.86

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Solution

The fourth proportional to 565,780,892,998.24, 780,780,803,662.96 and 321,910,355,948.86 is: 444,238,095,587.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,780,892,998.24 : 780,780,803,662.96 = 321,910,355,948.86 : x
  2. Step 2: Convert to fraction form
    565,780,892,998.24/780,780,803,662.96 = 321,910,355,948.86/x
  3. Step 3: Cross multiply
    565,780,892,998.24x = 780,780,803,662.96 × 321,910,355,948.86
  4. Step 4: Simplify right side
    565,780,892,998.24x = 251,341,426,425,180,398,288,896
  5. Step 5: Solve for x
    x = 251,341,426,425,180,398,288,896/565,780,892,998.24
  6. Step 6: Final answer
    x = 444,238,095,587.23

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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.