Home / 9,520,617,696.48-13,142,147,849.28-7,148,605,194.72

Finding the Fourth Proportional to 9,520,617,696.48, 13,142,147,849.28 and 7,148,605,194.72

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Solution

The fourth proportional to 9,520,617,696.48, 13,142,147,849.28 and 7,148,605,194.72 is: 9,867,849,900.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,520,617,696.48 : 13,142,147,849.28 = 7,148,605,194.72 : x
  2. Step 2: Convert to fraction form
    9,520,617,696.48/13,142,147,849.28 = 7,148,605,194.72/x
  3. Step 3: Cross multiply
    9,520,617,696.48x = 13,142,147,849.28 × 7,148,605,194.72
  4. Step 4: Simplify right side
    9,520,617,696.48x = 93,948,026,385,141,284,864
  5. Step 5: Solve for x
    x = 93,948,026,385,141,284,864/9,520,617,696.48
  6. Step 6: Final answer
    x = 9,867,849,900.10

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Double scale
Find fourth proportional to 9,520,617,697.48, 13,142,147,850.66 and 7,148,605,195.72
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1.5x scale

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.