Home / 516,057,308.57-712,136,112.86-301,495,840.66

Finding the Fourth Proportional to 516,057,308.57, 712,136,112.86 and 301,495,840.66

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Solution

The fourth proportional to 516,057,308.57, 712,136,112.86 and 301,495,840.66 is: 416,050,838.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,057,308.57 : 712,136,112.86 = 301,495,840.66 : x
  2. Step 2: Convert to fraction form
    516,057,308.57/712,136,112.86 = 301,495,840.66/x
  3. Step 3: Cross multiply
    516,057,308.57x = 712,136,112.86 × 301,495,840.66
  4. Step 4: Simplify right side
    516,057,308.57x = 214,706,076,011,070,368
  5. Step 5: Solve for x
    x = 214,706,076,011,070,368/516,057,308.57
  6. Step 6: Final answer
    x = 416,050,838.63

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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.