Home / 1,761,503,435.15-2,643,285,483.94-656,871,430.19

Finding the Fourth Proportional to 1,761,503,435.15, 2,643,285,483.94 and 656,871,430.19

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Solution

The fourth proportional to 1,761,503,435.15, 2,643,285,483.94 and 656,871,430.19 is: 985,691,359.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,503,435.15 : 2,643,285,483.94 = 656,871,430.19 : x
  2. Step 2: Convert to fraction form
    1,761,503,435.15/2,643,285,483.94 = 656,871,430.19/x
  3. Step 3: Cross multiply
    1,761,503,435.15x = 2,643,285,483.94 × 656,871,430.19
  4. Step 4: Simplify right side
    1,761,503,435.15x = 1,736,298,716,222,588,928
  5. Step 5: Solve for x
    x = 1,736,298,716,222,588,928/1,761,503,435.15
  6. Step 6: Final answer
    x = 985,691,359.77

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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.