Home / 620,692,837.44-929,985,636.08-374,532,209.34

Finding the Fourth Proportional to 620,692,837.44, 929,985,636.08 and 374,532,209.34

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Solution

The fourth proportional to 620,692,837.44, 929,985,636.08 and 374,532,209.34 is: 561,162,549.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,692,837.44 : 929,985,636.08 = 374,532,209.34 : x
  2. Step 2: Convert to fraction form
    620,692,837.44/929,985,636.08 = 374,532,209.34/x
  3. Step 3: Cross multiply
    620,692,837.44x = 929,985,636.08 × 374,532,209.34
  4. Step 4: Simplify right side
    620,692,837.44x = 348,309,574,932,956,480
  5. Step 5: Solve for x
    x = 348,309,574,932,956,480/620,692,837.44
  6. Step 6: Final answer
    x = 561,162,549.21

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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.