Home / 513,714,513.35-770,320,663.08-358,342,754.73

Finding the Fourth Proportional to 513,714,513.35, 770,320,663.08 and 358,342,754.73

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Solution

The fourth proportional to 513,714,513.35, 770,320,663.08 and 358,342,754.73 is: 537,338,971.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,714,513.35 : 770,320,663.08 = 358,342,754.73 : x
  2. Step 2: Convert to fraction form
    513,714,513.35/770,320,663.08 = 358,342,754.73/x
  3. Step 3: Cross multiply
    513,714,513.35x = 770,320,663.08 × 358,342,754.73
  4. Step 4: Simplify right side
    513,714,513.35x = 276,038,828,429,294,912
  5. Step 5: Solve for x
    x = 276,038,828,429,294,912/513,714,513.35
  6. Step 6: Final answer
    x = 537,338,971.85

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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.