Home / 826,527,800.37-1,140,608,300.76-455,249,831.79

Finding the Fourth Proportional to 826,527,800.37, 1,140,608,300.76 and 455,249,831.79

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Solution

The fourth proportional to 826,527,800.37, 1,140,608,300.76 and 455,249,831.79 is: 628,244,732.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,527,800.37 : 1,140,608,300.76 = 455,249,831.79 : x
  2. Step 2: Convert to fraction form
    826,527,800.37/1,140,608,300.76 = 455,249,831.79/x
  3. Step 3: Cross multiply
    826,527,800.37x = 1,140,608,300.76 × 455,249,831.79
  4. Step 4: Simplify right side
    826,527,800.37x = 519,261,737,059,267,776
  5. Step 5: Solve for x
    x = 519,261,737,059,267,776/826,527,800.37
  6. Step 6: Final answer
    x = 628,244,732.76

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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.