Home / 630,078,644.40-945,117,966.60-170,016,075.60

Finding the Fourth Proportional to 630,078,644.40, 945,117,966.60 and 170,016,075.60

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Solution

The fourth proportional to 630,078,644.40, 945,117,966.60 and 170,016,075.60 is: 255,024,113.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,078,644.40 : 945,117,966.60 = 170,016,075.60 : x
  2. Step 2: Convert to fraction form
    630,078,644.40/945,117,966.60 = 170,016,075.60/x
  3. Step 3: Cross multiply
    630,078,644.40x = 945,117,966.60 × 170,016,075.60
  4. Step 4: Simplify right side
    630,078,644.40x = 160,685,247,660,383,872
  5. Step 5: Solve for x
    x = 160,685,247,660,383,872/630,078,644.40
  6. Step 6: Final answer
    x = 255,024,113.40

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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.