Home / 691,516,442.81-954,295,546.54-373,976,681.82

Finding the Fourth Proportional to 691,516,442.81, 954,295,546.54 and 373,976,681.82

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Solution

The fourth proportional to 691,516,442.81, 954,295,546.54 and 373,976,681.82 is: 516,089,365.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,516,442.81 : 954,295,546.54 = 373,976,681.82 : x
  2. Step 2: Convert to fraction form
    691,516,442.81/954,295,546.54 = 373,976,681.82/x
  3. Step 3: Cross multiply
    691,516,442.81x = 954,295,546.54 × 373,976,681.82
  4. Step 4: Simplify right side
    691,516,442.81x = 356,884,281,970,632,576
  5. Step 5: Solve for x
    x = 356,884,281,970,632,576/691,516,442.81
  6. Step 6: Final answer
    x = 516,089,365.17

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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.