Home / 391,140,603,003.60-586,710,904,505.40-111,968,268,411.60

Finding the Fourth Proportional to 391,140,603,003.60, 586,710,904,505.40 and 111,968,268,411.60

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Solution

The fourth proportional to 391,140,603,003.60, 586,710,904,505.40 and 111,968,268,411.60 is: 167,952,402,617.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,140,603,003.60 : 586,710,904,505.40 = 111,968,268,411.60 : x
  2. Step 2: Convert to fraction form
    391,140,603,003.60/586,710,904,505.40 = 111,968,268,411.60/x
  3. Step 3: Cross multiply
    391,140,603,003.60x = 586,710,904,505.40 × 111,968,268,411.60
  4. Step 4: Simplify right side
    391,140,603,003.60x = 65,693,004,035,673,252,954,112
  5. Step 5: Solve for x
    x = 65,693,004,035,673,252,954,112/391,140,603,003.60
  6. Step 6: Final answer
    x = 167,952,402,617.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.