Home / 999,758,607.18-1,379,561,845.23-553,710,285.42

Finding the Fourth Proportional to 999,758,607.18, 1,379,561,845.23 and 553,710,285.42

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Solution

The fourth proportional to 999,758,607.18, 1,379,561,845.23 and 553,710,285.42 is: 764,062,022.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,758,607.18 : 1,379,561,845.23 = 553,710,285.42 : x
  2. Step 2: Convert to fraction form
    999,758,607.18/1,379,561,845.23 = 553,710,285.42/x
  3. Step 3: Cross multiply
    999,758,607.18x = 1,379,561,845.23 × 553,710,285.42
  4. Step 4: Simplify right side
    999,758,607.18x = 763,877,583,076,845,056
  5. Step 5: Solve for x
    x = 763,877,583,076,845,056/999,758,607.18
  6. Step 6: Final answer
    x = 764,062,022.16

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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.