Home / 15,518,952,005.10-23,278,428,007.65-7,238,676,072.30

Finding the Fourth Proportional to 15,518,952,005.10, 23,278,428,007.65 and 7,238,676,072.30

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Solution

The fourth proportional to 15,518,952,005.10, 23,278,428,007.65 and 7,238,676,072.30 is: 10,858,014,108.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,518,952,005.10 : 23,278,428,007.65 = 7,238,676,072.30 : x
  2. Step 2: Convert to fraction form
    15,518,952,005.10/23,278,428,007.65 = 7,238,676,072.30/x
  3. Step 3: Cross multiply
    15,518,952,005.10x = 23,278,428,007.65 × 7,238,676,072.30
  4. Step 4: Simplify right side
    15,518,952,005.10x = 168,504,999,819,734,220,800
  5. Step 5: Solve for x
    x = 168,504,999,819,734,220,800/15,518,952,005.10
  6. Step 6: Final answer
    x = 10,858,014,108.45

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1.5x scale

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.