Home / 609,724,613.64-841,419,966.74-345,406,606.68

Finding the Fourth Proportional to 609,724,613.64, 841,419,966.74 and 345,406,606.68

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Solution

The fourth proportional to 609,724,613.64, 841,419,966.74 and 345,406,606.68 is: 476,661,117.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,724,613.64 : 841,419,966.74 = 345,406,606.68 : x
  2. Step 2: Convert to fraction form
    609,724,613.64/841,419,966.74 = 345,406,606.68/x
  3. Step 3: Cross multiply
    609,724,613.64x = 841,419,966.74 × 345,406,606.68
  4. Step 4: Simplify right side
    609,724,613.64x = 290,632,015,499,869,568
  5. Step 5: Solve for x
    x = 290,632,015,499,869,568/609,724,613.64
  6. Step 6: Final answer
    x = 476,661,117.17

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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.