Home / 1,435,394,530.56-1,980,845,248.32-775,344,812.16

Finding the Fourth Proportional to 1,435,394,530.56, 1,980,845,248.32 and 775,344,812.16

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Solution

The fourth proportional to 1,435,394,530.56, 1,980,845,248.32 and 775,344,812.16 is: 1,069,976,270.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,394,530.56 : 1,980,845,248.32 = 775,344,812.16 : x
  2. Step 2: Convert to fraction form
    1,435,394,530.56/1,980,845,248.32 = 775,344,812.16/x
  3. Step 3: Cross multiply
    1,435,394,530.56x = 1,980,845,248.32 × 775,344,812.16
  4. Step 4: Simplify right side
    1,435,394,530.56x = 1,535,838,086,976,698,880
  5. Step 5: Solve for x
    x = 1,535,838,086,976,698,880/1,435,394,530.56
  6. Step 6: Final answer
    x = 1,069,976,270.83

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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.