Home / 10,345,991,014.60-15,518,986,521.90-5,992,426,342.60

Finding the Fourth Proportional to 10,345,991,014.60, 15,518,986,521.90 and 5,992,426,342.60

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Solution

The fourth proportional to 10,345,991,014.60, 15,518,986,521.90 and 5,992,426,342.60 is: 8,988,639,513.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,345,991,014.60 : 15,518,986,521.90 = 5,992,426,342.60 : x
  2. Step 2: Convert to fraction form
    10,345,991,014.60/15,518,986,521.90 = 5,992,426,342.60/x
  3. Step 3: Cross multiply
    10,345,991,014.60x = 15,518,986,521.90 × 5,992,426,342.60
  4. Step 4: Simplify right side
    10,345,991,014.60x = 92,996,383,644,287,909,888
  5. Step 5: Solve for x
    x = 92,996,383,644,287,909,888/10,345,991,014.60
  6. Step 6: Final answer
    x = 8,988,639,513.90

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Double scale
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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.