Home / 450,650,726.79-622,201,686.89-281,362,977.98

Finding the Fourth Proportional to 450,650,726.79, 622,201,686.89 and 281,362,977.98

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Solution

The fourth proportional to 450,650,726.79, 622,201,686.89 and 281,362,977.98 is: 388,470,514.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,650,726.79 : 622,201,686.89 = 281,362,977.98 : x
  2. Step 2: Convert to fraction form
    450,650,726.79/622,201,686.89 = 281,362,977.98/x
  3. Step 3: Cross multiply
    450,650,726.79x = 622,201,686.89 × 281,362,977.98
  4. Step 4: Simplify right side
    450,650,726.79x = 175,064,519,527,549,920
  5. Step 5: Solve for x
    x = 175,064,519,527,549,920/450,650,726.79
  6. Step 6: Final answer
    x = 388,470,514.13

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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.