Home / 1,620,307,781.60-2,430,528,027.60-471,450,437.60

Finding the Fourth Proportional to 1,620,307,781.60, 2,430,528,027.60 and 471,450,437.60

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Solution

The fourth proportional to 1,620,307,781.60, 2,430,528,027.60 and 471,450,437.60 is: 707,194,963.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,307,781.60 : 2,430,528,027.60 = 471,450,437.60 : x
  2. Step 2: Convert to fraction form
    1,620,307,781.60/2,430,528,027.60 = 471,450,437.60/x
  3. Step 3: Cross multiply
    1,620,307,781.60x = 2,430,528,027.60 × 471,450,437.60
  4. Step 4: Simplify right side
    1,620,307,781.60x = 1,145,873,502,211,084,928
  5. Step 5: Solve for x
    x = 1,145,873,502,211,084,928/1,620,307,781.60
  6. Step 6: Final answer
    x = 707,194,963.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.