Home / 748,605,999.60-1,122,984,037.80-257,254,556.40

Finding the Fourth Proportional to 748,605,999.60, 1,122,984,037.80 and 257,254,556.40

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Solution

The fourth proportional to 748,605,999.60, 1,122,984,037.80 and 257,254,556.40 is: 385,907,621.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,605,999.60 : 1,122,984,037.80 = 257,254,556.40 : x
  2. Step 2: Convert to fraction form
    748,605,999.60/1,122,984,037.80 = 257,254,556.40/x
  3. Step 3: Cross multiply
    748,605,999.60x = 1,122,984,037.80 × 257,254,556.40
  4. Step 4: Simplify right side
    748,605,999.60x = 288,892,760,488,519,808
  5. Step 5: Solve for x
    x = 288,892,760,488,519,808/748,605,999.60
  6. Step 6: Final answer
    x = 385,907,621.16

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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.