Home / 525,312,043.20-787,968,064.80-349,960,132.80

Finding the Fourth Proportional to 525,312,043.20, 787,968,064.80 and 349,960,132.80

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Solution

The fourth proportional to 525,312,043.20, 787,968,064.80 and 349,960,132.80 is: 524,940,199.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,312,043.20 : 787,968,064.80 = 349,960,132.80 : x
  2. Step 2: Convert to fraction form
    525,312,043.20/787,968,064.80 = 349,960,132.80/x
  3. Step 3: Cross multiply
    525,312,043.20x = 787,968,064.80 × 349,960,132.80
  4. Step 4: Simplify right side
    525,312,043.20x = 275,757,408,599,567,008
  5. Step 5: Solve for x
    x = 275,757,408,599,567,008/525,312,043.20
  6. Step 6: Final answer
    x = 524,940,199.20

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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.