Home / 612,932,784.12-845,865,105.12-334,492,242.48

Finding the Fourth Proportional to 612,932,784.12, 845,865,105.12 and 334,492,242.48

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Solution

The fourth proportional to 612,932,784.12, 845,865,105.12 and 334,492,242.48 is: 461,609,042.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,932,784.12 : 845,865,105.12 = 334,492,242.48 : x
  2. Step 2: Convert to fraction form
    612,932,784.12/845,865,105.12 = 334,492,242.48/x
  3. Step 3: Cross multiply
    612,932,784.12x = 845,865,105.12 × 334,492,242.48
  4. Step 4: Simplify right side
    612,932,784.12x = 282,935,315,847,169,760
  5. Step 5: Solve for x
    x = 282,935,315,847,169,760/612,932,784.12
  6. Step 6: Final answer
    x = 461,609,042.91

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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.