Home / 918,876,317.00-1,268,156,521.40-522,458,704.10

Finding the Fourth Proportional to 918,876,317.00, 1,268,156,521.40 and 522,458,704.10

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Solution

The fourth proportional to 918,876,317.00, 1,268,156,521.40 and 522,458,704.10 is: 721,053,966.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,876,317.00 : 1,268,156,521.40 = 522,458,704.10 : x
  2. Step 2: Convert to fraction form
    918,876,317.00/1,268,156,521.40 = 522,458,704.10/x
  3. Step 3: Cross multiply
    918,876,317.00x = 1,268,156,521.40 × 522,458,704.10
  4. Step 4: Simplify right side
    918,876,317.00x = 662,559,412,757,654,912
  5. Step 5: Solve for x
    x = 662,559,412,757,654,912/918,876,317.00
  6. Step 6: Final answer
    x = 721,053,966.14

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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.