Home / 13,865,617,201.20-19,132,937,464.32-7,762,303,968.72

Finding the Fourth Proportional to 13,865,617,201.20, 19,132,937,464.32 and 7,762,303,968.72

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Solution

The fourth proportional to 13,865,617,201.20, 19,132,937,464.32 and 7,762,303,968.72 is: 10,711,075,768.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,865,617,201.20 : 19,132,937,464.32 = 7,762,303,968.72 : x
  2. Step 2: Convert to fraction form
    13,865,617,201.20/19,132,937,464.32 = 7,762,303,968.72/x
  3. Step 3: Cross multiply
    13,865,617,201.20x = 19,132,937,464.32 × 7,762,303,968.72
  4. Step 4: Simplify right side
    13,865,617,201.20x = 148,515,676,412,562,702,336
  5. Step 5: Solve for x
    x = 148,515,676,412,562,702,336/13,865,617,201.20
  6. Step 6: Final answer
    x = 10,711,075,768.03

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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.