Home / 1,184,016,370.80-1,633,566,961.84-688,883,419.92

Finding the Fourth Proportional to 1,184,016,370.80, 1,633,566,961.84 and 688,883,419.92

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Solution

The fourth proportional to 1,184,016,370.80, 1,633,566,961.84 and 688,883,419.92 is: 950,440,570.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184,016,370.80 : 1,633,566,961.84 = 688,883,419.92 : x
  2. Step 2: Convert to fraction form
    1,184,016,370.80/1,633,566,961.84 = 688,883,419.92/x
  3. Step 3: Cross multiply
    1,184,016,370.80x = 1,633,566,961.84 × 688,883,419.92
  4. Step 4: Simplify right side
    1,184,016,370.80x = 1,125,337,195,340,663,168
  5. Step 5: Solve for x
    x = 1,125,337,195,340,663,168/1,184,016,370.80
  6. Step 6: Final answer
    x = 950,440,570.83

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Double scale
Find fourth proportional to 1,184,016,371.80, 1,633,566,963.22 and 688,883,420.92
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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.