Home / 549,910,361.20-824,865,541.80-478,883,271.55

Finding the Fourth Proportional to 549,910,361.20, 824,865,541.80 and 478,883,271.55

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Solution

The fourth proportional to 549,910,361.20, 824,865,541.80 and 478,883,271.55 is: 718,324,907.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,910,361.20 : 824,865,541.80 = 478,883,271.55 : x
  2. Step 2: Convert to fraction form
    549,910,361.20/824,865,541.80 = 478,883,271.55/x
  3. Step 3: Cross multiply
    549,910,361.20x = 824,865,541.80 × 478,883,271.55
  4. Step 4: Simplify right side
    549,910,361.20x = 395,014,309,246,047,232
  5. Step 5: Solve for x
    x = 395,014,309,246,047,232/549,910,361.20
  6. Step 6: Final answer
    x = 718,324,907.33

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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.