Home / 782,281,152,138.52-1,173,421,728,207.80-782,281,152,138.52

Finding the Fourth Proportional to 782,281,152,138.52, 1,173,421,728,207.80 and 782,281,152,138.52

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Solution

The fourth proportional to 782,281,152,138.52, 1,173,421,728,207.80 and 782,281,152,138.52 is: 1,173,421,728,207.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,281,152,138.52 : 1,173,421,728,207.80 = 782,281,152,138.52 : x
  2. Step 2: Convert to fraction form
    782,281,152,138.52/1,173,421,728,207.80 = 782,281,152,138.52/x
  3. Step 3: Cross multiply
    782,281,152,138.52x = 1,173,421,728,207.80 × 782,281,152,138.52
  4. Step 4: Simplify right side
    782,281,152,138.52x = 917,945,701,486,771,077,906,432
  5. Step 5: Solve for x
    x = 917,945,701,486,771,077,906,432/782,281,152,138.52
  6. Step 6: Final answer
    x = 1,173,421,728,207.80

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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.