Home / 859,596,173.94-1,186,231,372.71-478,115,636.34

Finding the Fourth Proportional to 859,596,173.94, 1,186,231,372.71 and 478,115,636.34

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Solution

The fourth proportional to 859,596,173.94, 1,186,231,372.71 and 478,115,636.34 is: 659,793,266.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,596,173.94 : 1,186,231,372.71 = 478,115,636.34 : x
  2. Step 2: Convert to fraction form
    859,596,173.94/1,186,231,372.71 = 478,115,636.34/x
  3. Step 3: Cross multiply
    859,596,173.94x = 1,186,231,372.71 × 478,115,636.34
  4. Step 4: Simplify right side
    859,596,173.94x = 567,155,767,609,713,344
  5. Step 5: Solve for x
    x = 567,155,767,609,713,344/859,596,173.94
  6. Step 6: Final answer
    x = 659,793,266.66

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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.