Home / 698,233,831.92-1,047,458,364.69-238,064,384.43

Finding the Fourth Proportional to 698,233,831.92, 1,047,458,364.69 and 238,064,384.43

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Solution

The fourth proportional to 698,233,831.92, 1,047,458,364.69 and 238,064,384.43 is: 357,133,268.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,233,831.92 : 1,047,458,364.69 = 238,064,384.43 : x
  2. Step 2: Convert to fraction form
    698,233,831.92/1,047,458,364.69 = 238,064,384.43/x
  3. Step 3: Cross multiply
    698,233,831.92x = 1,047,458,364.69 × 238,064,384.43
  4. Step 4: Simplify right side
    698,233,831.92x = 249,362,530,805,979,328
  5. Step 5: Solve for x
    x = 249,362,530,805,979,328/698,233,831.92
  6. Step 6: Final answer
    x = 357,133,268.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.