Home / 612,440,808.12-845,169,651.90-348,124,420.44

Finding the Fourth Proportional to 612,440,808.12, 845,169,651.90 and 348,124,420.44

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Solution

The fourth proportional to 612,440,808.12, 845,169,651.90 and 348,124,420.44 is: 480,412,460.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,440,808.12 : 845,169,651.90 = 348,124,420.44 : x
  2. Step 2: Convert to fraction form
    612,440,808.12/845,169,651.90 = 348,124,420.44/x
  3. Step 3: Cross multiply
    612,440,808.12x = 845,169,651.90 × 348,124,420.44
  4. Step 4: Simplify right side
    612,440,808.12x = 294,224,195,241,164,032
  5. Step 5: Solve for x
    x = 294,224,195,241,164,032/612,440,808.12
  6. Step 6: Final answer
    x = 480,412,460.01

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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.