Home / 569,553,669,191.62-785,984,645,168.18-309,131,432,046.18

Finding the Fourth Proportional to 569,553,669,191.62, 785,984,645,168.18 and 309,131,432,046.18

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Solution

The fourth proportional to 569,553,669,191.62, 785,984,645,168.18 and 309,131,432,046.18 is: 426,601,691,938.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,553,669,191.62 : 785,984,645,168.18 = 309,131,432,046.18 : x
  2. Step 2: Convert to fraction form
    569,553,669,191.62/785,984,645,168.18 = 309,131,432,046.18/x
  3. Step 3: Cross multiply
    569,553,669,191.62x = 785,984,645,168.18 × 309,131,432,046.18
  4. Step 4: Simplify right side
    569,553,669,191.62x = 242,972,558,927,148,154,355,712
  5. Step 5: Solve for x
    x = 242,972,558,927,148,154,355,712/569,553,669,191.62
  6. Step 6: Final answer
    x = 426,601,691,938.89

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Double scale
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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.