Home / 865,580,528.80-1,298,496,764.40-283,173,680.80

Finding the Fourth Proportional to 865,580,528.80, 1,298,496,764.40 and 283,173,680.80

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Solution

The fourth proportional to 865,580,528.80, 1,298,496,764.40 and 283,173,680.80 is: 424,801,732.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,580,528.80 : 1,298,496,764.40 = 283,173,680.80 : x
  2. Step 2: Convert to fraction form
    865,580,528.80/1,298,496,764.40 = 283,173,680.80/x
  3. Step 3: Cross multiply
    865,580,528.80x = 1,298,496,764.40 × 283,173,680.80
  4. Step 4: Simplify right side
    865,580,528.80x = 367,700,108,282,038,464
  5. Step 5: Solve for x
    x = 367,700,108,282,038,464/865,580,528.80
  6. Step 6: Final answer
    x = 424,801,732.53

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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.