Home / 1,057,393,428.18-1,459,242,311.52-634,076,009.64

Finding the Fourth Proportional to 1,057,393,428.18, 1,459,242,311.52 and 634,076,009.64

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Solution

The fourth proportional to 1,057,393,428.18, 1,459,242,311.52 and 634,076,009.64 is: 875,048,508.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,393,428.18 : 1,459,242,311.52 = 634,076,009.64 : x
  2. Step 2: Convert to fraction form
    1,057,393,428.18/1,459,242,311.52 = 634,076,009.64/x
  3. Step 3: Cross multiply
    1,057,393,428.18x = 1,459,242,311.52 × 634,076,009.64
  4. Step 4: Simplify right side
    1,057,393,428.18x = 925,270,541,986,451,328
  5. Step 5: Solve for x
    x = 925,270,541,986,451,328/1,057,393,428.18
  6. Step 6: Final answer
    x = 875,048,508.27

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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.