Home / 893,779,276.80-1,233,396,036-517,451,721.60

Finding the Fourth Proportional to 893,779,276.80, 1,233,396,036 and 517,451,721.60

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Solution

The fourth proportional to 893,779,276.80, 1,233,396,036 and 517,451,721.60 is: 714,072,163.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,779,276.80 : 1,233,396,036 = 517,451,721.60 : x
  2. Step 2: Convert to fraction form
    893,779,276.80/1,233,396,036 = 517,451,721.60/x
  3. Step 3: Cross multiply
    893,779,276.80x = 1,233,396,036 × 517,451,721.60
  4. Step 4: Simplify right side
    893,779,276.80x = 638,222,902,242,815,616
  5. Step 5: Solve for x
    x = 638,222,902,242,815,616/893,779,276.80
  6. Step 6: Final answer
    x = 714,072,163.91

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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.