Home / 415,352,055.63-573,362,331.66-258,796,512.21

Finding the Fourth Proportional to 415,352,055.63, 573,362,331.66 and 258,796,512.21

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Solution

The fourth proportional to 415,352,055.63, 573,362,331.66 and 258,796,512.21 is: 357,249,156.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,352,055.63 : 573,362,331.66 = 258,796,512.21 : x
  2. Step 2: Convert to fraction form
    415,352,055.63/573,362,331.66 = 258,796,512.21/x
  3. Step 3: Cross multiply
    415,352,055.63x = 573,362,331.66 × 258,796,512.21
  4. Step 4: Simplify right side
    415,352,055.63x = 148,384,171,666,201,248
  5. Step 5: Solve for x
    x = 148,384,171,666,201,248/415,352,055.63
  6. Step 6: Final answer
    x = 357,249,156.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.