Home / 379,508,967,216.39-523,732,010,859.55-208,230,853,313.10

Finding the Fourth Proportional to 379,508,967,216.39, 523,732,010,859.55 and 208,230,853,313.10

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Solution

The fourth proportional to 379,508,967,216.39, 523,732,010,859.55 and 208,230,853,313.10 is: 287,363,864,755.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,508,967,216.39 : 523,732,010,859.55 = 208,230,853,313.10 : x
  2. Step 2: Convert to fraction form
    379,508,967,216.39/523,732,010,859.55 = 208,230,853,313.10/x
  3. Step 3: Cross multiply
    379,508,967,216.39x = 523,732,010,859.55 × 208,230,853,313.10
  4. Step 4: Simplify right side
    379,508,967,216.39x = 109,057,163,528,669,860,200,448
  5. Step 5: Solve for x
    x = 109,057,163,528,669,860,200,448/379,508,967,216.39
  6. Step 6: Final answer
    x = 287,363,864,755.50

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1.5x scale

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.