Home / 1,076,187,971.52-1,485,170,877.24-630,109,599.12

Finding the Fourth Proportional to 1,076,187,971.52, 1,485,170,877.24 and 630,109,599.12

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Solution

The fourth proportional to 1,076,187,971.52, 1,485,170,877.24 and 630,109,599.12 is: 869,569,676.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,187,971.52 : 1,485,170,877.24 = 630,109,599.12 : x
  2. Step 2: Convert to fraction form
    1,076,187,971.52/1,485,170,877.24 = 630,109,599.12/x
  3. Step 3: Cross multiply
    1,076,187,971.52x = 1,485,170,877.24 × 630,109,599.12
  4. Step 4: Simplify right side
    1,076,187,971.52x = 935,820,426,082,395,136
  5. Step 5: Solve for x
    x = 935,820,426,082,395,136/1,076,187,971.52
  6. Step 6: Final answer
    x = 869,569,676.35

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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.