Home / 913,505,804.66-1,260,634,831.71-495,818,088.86

Finding the Fourth Proportional to 913,505,804.66, 1,260,634,831.71 and 495,818,088.86

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Solution

The fourth proportional to 913,505,804.66, 1,260,634,831.71 and 495,818,088.86 is: 684,227,237.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,505,804.66 : 1,260,634,831.71 = 495,818,088.86 : x
  2. Step 2: Convert to fraction form
    913,505,804.66/1,260,634,831.71 = 495,818,088.86/x
  3. Step 3: Cross multiply
    913,505,804.66x = 1,260,634,831.71 × 495,818,088.86
  4. Step 4: Simplify right side
    913,505,804.66x = 625,045,553,008,800,000
  5. Step 5: Solve for x
    x = 625,045,553,008,800,000/913,505,804.66
  6. Step 6: Final answer
    x = 684,227,237.33

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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.