Home / 736,665,472.45-1,016,622,413.15-402,155,831.60

Finding the Fourth Proportional to 736,665,472.45, 1,016,622,413.15 and 402,155,831.60

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Solution

The fourth proportional to 736,665,472.45, 1,016,622,413.15 and 402,155,831.60 is: 554,988,182.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,665,472.45 : 1,016,622,413.15 = 402,155,831.60 : x
  2. Step 2: Convert to fraction form
    736,665,472.45/1,016,622,413.15 = 402,155,831.60/x
  3. Step 3: Cross multiply
    736,665,472.45x = 1,016,622,413.15 × 402,155,831.60
  4. Step 4: Simplify right side
    736,665,472.45x = 408,840,631,983,537,024
  5. Step 5: Solve for x
    x = 408,840,631,983,537,024/736,665,472.45
  6. Step 6: Final answer
    x = 554,988,182.93

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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.