Home / 461,578,821,342.94-636,978,833,831.44-255,826,344,152.76

Finding the Fourth Proportional to 461,578,821,342.94, 636,978,833,831.44 and 255,826,344,152.76

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Solution

The fourth proportional to 461,578,821,342.94, 636,978,833,831.44 and 255,826,344,152.76 is: 353,040,388,394.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,578,821,342.94 : 636,978,833,831.44 = 255,826,344,152.76 : x
  2. Step 2: Convert to fraction form
    461,578,821,342.94/636,978,833,831.44 = 255,826,344,152.76/x
  3. Step 3: Cross multiply
    461,578,821,342.94x = 636,978,833,831.44 × 255,826,344,152.76
  4. Step 4: Simplify right side
    461,578,821,342.94x = 162,955,966,361,785,692,323,840
  5. Step 5: Solve for x
    x = 162,955,966,361,785,692,323,840/461,578,821,342.94
  6. Step 6: Final answer
    x = 353,040,388,394.93

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1.5x scale

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.