Home / 1,063,755,873.37-1,468,374,831.23-640,389,212.77

Finding the Fourth Proportional to 1,063,755,873.37, 1,468,374,831.23 and 640,389,212.77

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Solution

The fourth proportional to 1,063,755,873.37, 1,468,374,831.23 and 640,389,212.77 is: 883,972,935.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063,755,873.37 : 1,468,374,831.23 = 640,389,212.77 : x
  2. Step 2: Convert to fraction form
    1,063,755,873.37/1,468,374,831.23 = 640,389,212.77/x
  3. Step 3: Cross multiply
    1,063,755,873.37x = 1,468,374,831.23 × 640,389,212.77
  4. Step 4: Simplify right side
    1,063,755,873.37x = 940,331,402,222,661,248
  5. Step 5: Solve for x
    x = 940,331,402,222,661,248/1,063,755,873.37
  6. Step 6: Final answer
    x = 883,972,935.67

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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.