Home / 651,775,317.32-899,466,984.48-354,434,949.80

Finding the Fourth Proportional to 651,775,317.32, 899,466,984.48 and 354,434,949.80

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Solution

The fourth proportional to 651,775,317.32, 899,466,984.48 and 354,434,949.80 is: 489,129,500.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,775,317.32 : 899,466,984.48 = 354,434,949.80 : x
  2. Step 2: Convert to fraction form
    651,775,317.32/899,466,984.48 = 354,434,949.80/x
  3. Step 3: Cross multiply
    651,775,317.32x = 899,466,984.48 × 354,434,949.80
  4. Step 4: Simplify right side
    651,775,317.32x = 318,802,535,490,926,208
  5. Step 5: Solve for x
    x = 318,802,535,490,926,208/651,775,317.32
  6. Step 6: Final answer
    x = 489,129,500.64

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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.