Home / 842,798,831.92-1,163,064,876.39-466,481,557.04

Finding the Fourth Proportional to 842,798,831.92, 1,163,064,876.39 and 466,481,557.04

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Solution

The fourth proportional to 842,798,831.92, 1,163,064,876.39 and 466,481,557.04 is: 643,745,925.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,798,831.92 : 1,163,064,876.39 = 466,481,557.04 : x
  2. Step 2: Convert to fraction form
    842,798,831.92/1,163,064,876.39 = 466,481,557.04/x
  3. Step 3: Cross multiply
    842,798,831.92x = 1,163,064,876.39 × 466,481,557.04
  4. Step 4: Simplify right side
    842,798,831.92x = 542,548,314,471,127,104
  5. Step 5: Solve for x
    x = 542,548,314,471,127,104/842,798,831.92
  6. Step 6: Final answer
    x = 643,745,925.98

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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.