Home / 569,553,669,187.14-785,984,645,161.98-309,131,432,041.68

Finding the Fourth Proportional to 569,553,669,187.14, 785,984,645,161.98 and 309,131,432,041.68

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Solution

The fourth proportional to 569,553,669,187.14, 785,984,645,161.98 and 309,131,432,041.68 is: 426,601,691,932.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,553,669,187.14 : 785,984,645,161.98 = 309,131,432,041.68 : x
  2. Step 2: Convert to fraction form
    569,553,669,187.14/785,984,645,161.98 = 309,131,432,041.68/x
  3. Step 3: Cross multiply
    569,553,669,187.14x = 785,984,645,161.98 × 309,131,432,041.68
  4. Step 4: Simplify right side
    569,553,669,187.14x = 242,972,558,921,694,586,077,184
  5. Step 5: Solve for x
    x = 242,972,558,921,694,586,077,184/569,553,669,187.14
  6. Step 6: Final answer
    x = 426,601,691,932.67

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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.