Home / 999,948,023-1,379,939,305.74-553,918,218.20

Finding the Fourth Proportional to 999,948,023, 1,379,939,305.74 and 553,918,218.20

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Solution

The fourth proportional to 999,948,023, 1,379,939,305.74 and 553,918,218.20 is: 764,413,253.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,948,023 : 1,379,939,305.74 = 553,918,218.20 : x
  2. Step 2: Convert to fraction form
    999,948,023/1,379,939,305.74 = 553,918,218.20/x
  3. Step 3: Cross multiply
    999,948,023x = 1,379,939,305.74 × 553,918,218.20
  4. Step 4: Simplify right side
    999,948,023x = 764,373,521,459,645,952
  5. Step 5: Solve for x
    x = 764,373,521,459,645,952/999,948,023
  6. Step 6: Final answer
    x = 764,413,253.37

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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.