Home / 641,348,032.60-962,022,048.90-549,515,027.80

Finding the Fourth Proportional to 641,348,032.60, 962,022,048.90 and 549,515,027.80

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Solution

The fourth proportional to 641,348,032.60, 962,022,048.90 and 549,515,027.80 is: 824,272,541.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,348,032.60 : 962,022,048.90 = 549,515,027.80 : x
  2. Step 2: Convert to fraction form
    641,348,032.60/962,022,048.90 = 549,515,027.80/x
  3. Step 3: Cross multiply
    641,348,032.60x = 962,022,048.90 × 549,515,027.80
  4. Step 4: Simplify right side
    641,348,032.60x = 528,645,572,945,496,384
  5. Step 5: Solve for x
    x = 528,645,572,945,496,384/641,348,032.60
  6. Step 6: Final answer
    x = 824,272,541.70

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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.