Home / 1,076,358,351.40-1,614,453,546.30-421,182,140.20

Finding the Fourth Proportional to 1,076,358,351.40, 1,614,453,546.30 and 421,182,140.20

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Solution

The fourth proportional to 1,076,358,351.40, 1,614,453,546.30 and 421,182,140.20 is: 631,740,348.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,358,351.40 : 1,614,453,546.30 = 421,182,140.20 : x
  2. Step 2: Convert to fraction form
    1,076,358,351.40/1,614,453,546.30 = 421,182,140.20/x
  3. Step 3: Cross multiply
    1,076,358,351.40x = 1,614,453,546.30 × 421,182,140.20
  4. Step 4: Simplify right side
    1,076,358,351.40x = 679,978,999,884,113,792
  5. Step 5: Solve for x
    x = 679,978,999,884,113,792/1,076,358,351.40
  6. Step 6: Final answer
    x = 631,740,348.37

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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.