Home / 505,596,751.65-758,395,127.48-352,415,772.45

Finding the Fourth Proportional to 505,596,751.65, 758,395,127.48 and 352,415,772.45

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Solution

The fourth proportional to 505,596,751.65, 758,395,127.48 and 352,415,772.45 is: 528,623,658.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,596,751.65 : 758,395,127.48 = 352,415,772.45 : x
  2. Step 2: Convert to fraction form
    505,596,751.65/758,395,127.48 = 352,415,772.45/x
  3. Step 3: Cross multiply
    505,596,751.65x = 758,395,127.48 × 352,415,772.45
  4. Step 4: Simplify right side
    505,596,751.65x = 267,270,404,671,418,336
  5. Step 5: Solve for x
    x = 267,270,404,671,418,336/505,596,751.65
  6. Step 6: Final answer
    x = 528,623,658.68

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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.