Home / 8,688,528,086.40-13,032,792,129.60-3,171,745,353.60

Finding the Fourth Proportional to 8,688,528,086.40, 13,032,792,129.60 and 3,171,745,353.60

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Solution

The fourth proportional to 8,688,528,086.40, 13,032,792,129.60 and 3,171,745,353.60 is: 4,757,618,030.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,688,528,086.40 : 13,032,792,129.60 = 3,171,745,353.60 : x
  2. Step 2: Convert to fraction form
    8,688,528,086.40/13,032,792,129.60 = 3,171,745,353.60/x
  3. Step 3: Cross multiply
    8,688,528,086.40x = 13,032,792,129.60 × 3,171,745,353.60
  4. Step 4: Simplify right side
    8,688,528,086.40x = 41,336,697,881,493,446,656
  5. Step 5: Solve for x
    x = 41,336,697,881,493,446,656/8,688,528,086.40
  6. Step 6: Final answer
    x = 4,757,618,030.40

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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.