Home / 719,558,241.03-992,972,096.97-402,020,931.33

Finding the Fourth Proportional to 719,558,241.03, 992,972,096.97 and 402,020,931.33

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Solution

The fourth proportional to 719,558,241.03, 992,972,096.97 and 402,020,931.33 is: 554,778,674.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,558,241.03 : 992,972,096.97 = 402,020,931.33 : x
  2. Step 2: Convert to fraction form
    719,558,241.03/992,972,096.97 = 402,020,931.33/x
  3. Step 3: Cross multiply
    719,558,241.03x = 992,972,096.97 × 402,020,931.33
  4. Step 4: Simplify right side
    719,558,241.03x = 399,195,567,208,582,464
  5. Step 5: Solve for x
    x = 399,195,567,208,582,464/719,558,241.03
  6. Step 6: Final answer
    x = 554,778,674.53

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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.