Home / 542,284,980.52-748,435,075.80-330,714,554.08

Finding the Fourth Proportional to 542,284,980.52, 748,435,075.80 and 330,714,554.08

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Solution

The fourth proportional to 542,284,980.52, 748,435,075.80 and 330,714,554.08 is: 456,435,972.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,284,980.52 : 748,435,075.80 = 330,714,554.08 : x
  2. Step 2: Convert to fraction form
    542,284,980.52/748,435,075.80 = 330,714,554.08/x
  3. Step 3: Cross multiply
    542,284,980.52x = 748,435,075.80 × 330,714,554.08
  4. Step 4: Simplify right side
    542,284,980.52x = 247,518,372,351,027,968
  5. Step 5: Solve for x
    x = 247,518,372,351,027,968/542,284,980.52
  6. Step 6: Final answer
    x = 456,435,972.31

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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.