Home / 518,909,999.94-716,095,728.09-283,960,598.43

Finding the Fourth Proportional to 518,909,999.94, 716,095,728.09 and 283,960,598.43

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Solution

The fourth proportional to 518,909,999.94, 716,095,728.09 and 283,960,598.43 is: 391,865,586.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,909,999.94 : 716,095,728.09 = 283,960,598.43 : x
  2. Step 2: Convert to fraction form
    518,909,999.94/716,095,728.09 = 283,960,598.43/x
  3. Step 3: Cross multiply
    518,909,999.94x = 716,095,728.09 × 283,960,598.43
  4. Step 4: Simplify right side
    518,909,999.94x = 203,342,971,481,602,976
  5. Step 5: Solve for x
    x = 203,342,971,481,602,976/518,909,999.94
  6. Step 6: Final answer
    x = 391,865,586.53

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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.