Home / 840,903,814.17-1,152,018,950.58-809,464,610.25

Finding the Fourth Proportional to 840,903,814.17, 1,152,018,950.58 and 809,464,610.25

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Solution

The fourth proportional to 840,903,814.17, 1,152,018,950.58 and 809,464,610.25 is: 1,108,947,961.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,903,814.17 : 1,152,018,950.58 = 809,464,610.25 : x
  2. Step 2: Convert to fraction form
    840,903,814.17/1,152,018,950.58 = 809,464,610.25/x
  3. Step 3: Cross multiply
    840,903,814.17x = 1,152,018,950.58 × 809,464,610.25
  4. Step 4: Simplify right side
    840,903,814.17x = 932,518,570,831,853,696
  5. Step 5: Solve for x
    x = 932,518,570,831,853,696/840,903,814.17
  6. Step 6: Final answer
    x = 1,108,947,961.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.