Home / 1,520,211,999.23-2,098,112,808.28-851,200,157.93

Finding the Fourth Proportional to 1,520,211,999.23, 2,098,112,808.28 and 851,200,157.93

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Solution

The fourth proportional to 1,520,211,999.23, 2,098,112,808.28 and 851,200,157.93 is: 1,174,779,540.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,211,999.23 : 2,098,112,808.28 = 851,200,157.93 : x
  2. Step 2: Convert to fraction form
    1,520,211,999.23/2,098,112,808.28 = 851,200,157.93/x
  3. Step 3: Cross multiply
    1,520,211,999.23x = 2,098,112,808.28 × 851,200,157.93
  4. Step 4: Simplify right side
    1,520,211,999.23x = 1,785,913,953,763,596,800
  5. Step 5: Solve for x
    x = 1,785,913,953,763,596,800/1,520,211,999.23
  6. Step 6: Final answer
    x = 1,174,779,540.40

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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.