Home / 478,101,201.40-717,151,802.10-437,286,532.60

Finding the Fourth Proportional to 478,101,201.40, 717,151,802.10 and 437,286,532.60

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Solution

The fourth proportional to 478,101,201.40, 717,151,802.10 and 437,286,532.60 is: 655,929,798.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,101,201.40 : 717,151,802.10 = 437,286,532.60 : x
  2. Step 2: Convert to fraction form
    478,101,201.40/717,151,802.10 = 437,286,532.60/x
  3. Step 3: Cross multiply
    478,101,201.40x = 717,151,802.10 × 437,286,532.60
  4. Step 4: Simplify right side
    478,101,201.40x = 313,600,824,888,150,400
  5. Step 5: Solve for x
    x = 313,600,824,888,150,400/478,101,201.40
  6. Step 6: Final answer
    x = 655,929,798.90

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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.