Home / 10,783,761,855.60-16,175,642,783.40-9,042,335,986.80

Finding the Fourth Proportional to 10,783,761,855.60, 16,175,642,783.40 and 9,042,335,986.80

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Solution

The fourth proportional to 10,783,761,855.60, 16,175,642,783.40 and 9,042,335,986.80 is: 13,563,503,980.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,783,761,855.60 : 16,175,642,783.40 = 9,042,335,986.80 : x
  2. Step 2: Convert to fraction form
    10,783,761,855.60/16,175,642,783.40 = 9,042,335,986.80/x
  3. Step 3: Cross multiply
    10,783,761,855.60x = 16,175,642,783.40 × 9,042,335,986.80
  4. Step 4: Simplify right side
    10,783,761,855.60x = 146,265,596,849,959,518,208
  5. Step 5: Solve for x
    x = 146,265,596,849,959,518,208/10,783,761,855.60
  6. Step 6: Final answer
    x = 13,563,503,980.20

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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.