Home / 558,814,084.58-771,128,690.09-307,904,435.24

Finding the Fourth Proportional to 558,814,084.58, 771,128,690.09 and 307,904,435.24

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Solution

The fourth proportional to 558,814,084.58, 771,128,690.09 and 307,904,435.24 is: 424,888,975.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,814,084.58 : 771,128,690.09 = 307,904,435.24 : x
  2. Step 2: Convert to fraction form
    558,814,084.58/771,128,690.09 = 307,904,435.24/x
  3. Step 3: Cross multiply
    558,814,084.58x = 771,128,690.09 × 307,904,435.24
  4. Step 4: Simplify right side
    558,814,084.58x = 237,433,943,814,127,296
  5. Step 5: Solve for x
    x = 237,433,943,814,127,296/558,814,084.58
  6. Step 6: Final answer
    x = 424,888,975.36

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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.