Home / 641,337,141.60-962,005,712.40-549,504,136.80

Finding the Fourth Proportional to 641,337,141.60, 962,005,712.40 and 549,504,136.80

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Solution

The fourth proportional to 641,337,141.60, 962,005,712.40 and 549,504,136.80 is: 824,256,205.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,337,141.60 : 962,005,712.40 = 549,504,136.80 : x
  2. Step 2: Convert to fraction form
    641,337,141.60/962,005,712.40 = 549,504,136.80/x
  3. Step 3: Cross multiply
    641,337,141.60x = 962,005,712.40 × 549,504,136.80
  4. Step 4: Simplify right side
    641,337,141.60x = 528,626,118,589,030,976
  5. Step 5: Solve for x
    x = 528,626,118,589,030,976/641,337,141.60
  6. Step 6: Final answer
    x = 824,256,205.20

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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.