Home / 731,765,982,831.54-1,009,861,274,312.70-402,180,703,322.31

Finding the Fourth Proportional to 731,765,982,831.54, 1,009,861,274,312.70 and 402,180,703,322.31

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Solution

The fourth proportional to 731,765,982,831.54, 1,009,861,274,312.70 and 402,180,703,322.31 is: 555,022,680,870.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,765,982,831.54 : 1,009,861,274,312.70 = 402,180,703,322.31 : x
  2. Step 2: Convert to fraction form
    731,765,982,831.54/1,009,861,274,312.70 = 402,180,703,322.31/x
  3. Step 3: Cross multiply
    731,765,982,831.54x = 1,009,861,274,312.70 × 402,180,703,322.31
  4. Step 4: Simplify right side
    731,765,982,831.54x = 406,146,717,561,045,861,269,504
  5. Step 5: Solve for x
    x = 406,146,717,561,045,861,269,504/731,765,982,831.54
  6. Step 6: Final answer
    x = 555,022,680,870.57

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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.