Home / 661,316,614,280.88-991,169,029,222.95-342,787,204,670.64

Finding the Fourth Proportional to 661,316,614,280.88, 991,169,029,222.95 and 342,787,204,670.64

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Solution

The fourth proportional to 661,316,614,280.88, 991,169,029,222.95 and 342,787,204,670.64 is: 513,763,080,416.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,316,614,280.88 : 991,169,029,222.95 = 342,787,204,670.64 : x
  2. Step 2: Convert to fraction form
    661,316,614,280.88/991,169,029,222.95 = 342,787,204,670.64/x
  3. Step 3: Cross multiply
    661,316,614,280.88x = 991,169,029,222.95 × 342,787,204,670.64
  4. Step 4: Simplify right side
    661,316,614,280.88x = 339,760,060,883,446,901,243,904
  5. Step 5: Solve for x
    x = 339,760,060,883,446,901,243,904/661,316,614,280.88
  6. Step 6: Final answer
    x = 513,763,080,416.34

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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.