Home / 1,431,365,664.44-2,146,516,880.64-498,448,938.80

Finding the Fourth Proportional to 1,431,365,664.44, 2,146,516,880.64 and 498,448,938.80

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Solution

The fourth proportional to 1,431,365,664.44, 2,146,516,880.64 and 498,448,938.80 is: 747,488,281.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,365,664.44 : 2,146,516,880.64 = 498,448,938.80 : x
  2. Step 2: Convert to fraction form
    1,431,365,664.44/2,146,516,880.64 = 498,448,938.80/x
  3. Step 3: Cross multiply
    1,431,365,664.44x = 2,146,516,880.64 × 498,448,938.80
  4. Step 4: Simplify right side
    1,431,365,664.44x = 1,069,929,061,271,294,336
  5. Step 5: Solve for x
    x = 1,069,929,061,271,294,336/1,431,365,664.44
  6. Step 6: Final answer
    x = 747,488,281.89

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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.