Home / 13,120,948,033.36-18,106,896,582.92-7,406,435,294.96

Finding the Fourth Proportional to 13,120,948,033.36, 18,106,896,582.92 and 7,406,435,294.96

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Solution

The fourth proportional to 13,120,948,033.36, 18,106,896,582.92 and 7,406,435,294.96 is: 10,220,874,100.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,120,948,033.36 : 18,106,896,582.92 = 7,406,435,294.96 : x
  2. Step 2: Convert to fraction form
    13,120,948,033.36/18,106,896,582.92 = 7,406,435,294.96/x
  3. Step 3: Cross multiply
    13,120,948,033.36x = 18,106,896,582.92 × 7,406,435,294.96
  4. Step 4: Simplify right side
    13,120,948,033.36x = 134,107,557,933,929,299,968
  5. Step 5: Solve for x
    x = 134,107,557,933,929,299,968/13,120,948,033.36
  6. Step 6: Final answer
    x = 10,220,874,100.94

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Double scale
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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.