Home / 31,046,976,006.40-46,570,464,009.60-12,405,253,945.60

Finding the Fourth Proportional to 31,046,976,006.40, 46,570,464,009.60 and 12,405,253,945.60

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Solution

The fourth proportional to 31,046,976,006.40, 46,570,464,009.60 and 12,405,253,945.60 is: 18,607,880,918.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,046,976,006.40 : 46,570,464,009.60 = 12,405,253,945.60 : x
  2. Step 2: Convert to fraction form
    31,046,976,006.40/46,570,464,009.60 = 12,405,253,945.60/x
  3. Step 3: Cross multiply
    31,046,976,006.40x = 46,570,464,009.60 × 12,405,253,945.60
  4. Step 4: Simplify right side
    31,046,976,006.40x = 577,718,432,403,513,212,928
  5. Step 5: Solve for x
    x = 577,718,432,403,513,212,928/31,046,976,006.40
  6. Step 6: Final answer
    x = 18,607,880,918.40

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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.