Home / 651,446,999.20-977,170,498.80-549,410,327.20

Finding the Fourth Proportional to 651,446,999.20, 977,170,498.80 and 549,410,327.20

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Solution

The fourth proportional to 651,446,999.20, 977,170,498.80 and 549,410,327.20 is: 824,115,490.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,446,999.20 : 977,170,498.80 = 549,410,327.20 : x
  2. Step 2: Convert to fraction form
    651,446,999.20/977,170,498.80 = 549,410,327.20/x
  3. Step 3: Cross multiply
    651,446,999.20x = 977,170,498.80 × 549,410,327.20
  4. Step 4: Simplify right side
    651,446,999.20x = 536,867,563,475,895,232
  5. Step 5: Solve for x
    x = 536,867,563,475,895,232/651,446,999.20
  6. Step 6: Final answer
    x = 824,115,490.80

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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.