Home / 637,224,507.36-879,253,084.57-354,959,923.80

Finding the Fourth Proportional to 637,224,507.36, 879,253,084.57 and 354,959,923.80

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Solution

The fourth proportional to 637,224,507.36, 879,253,084.57 and 354,959,923.80 is: 489,779,668.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,224,507.36 : 879,253,084.57 = 354,959,923.80 : x
  2. Step 2: Convert to fraction form
    637,224,507.36/879,253,084.57 = 354,959,923.80/x
  3. Step 3: Cross multiply
    637,224,507.36x = 879,253,084.57 × 354,959,923.80
  4. Step 4: Simplify right side
    637,224,507.36x = 312,099,607,903,960,256
  5. Step 5: Solve for x
    x = 312,099,607,903,960,256/637,224,507.36
  6. Step 6: Final answer
    x = 489,779,668.39

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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.