Home / 10,783,761,856.10-16,175,642,784.15-9,042,335,987.30

Finding the Fourth Proportional to 10,783,761,856.10, 16,175,642,784.15 and 9,042,335,987.30

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Solution

The fourth proportional to 10,783,761,856.10, 16,175,642,784.15 and 9,042,335,987.30 is: 13,563,503,980.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,783,761,856.10 : 16,175,642,784.15 = 9,042,335,987.30 : x
  2. Step 2: Convert to fraction form
    10,783,761,856.10/16,175,642,784.15 = 9,042,335,987.30/x
  3. Step 3: Cross multiply
    10,783,761,856.10x = 16,175,642,784.15 × 9,042,335,987.30
  4. Step 4: Simplify right side
    10,783,761,856.10x = 146,265,596,864,829,095,936
  5. Step 5: Solve for x
    x = 146,265,596,864,829,095,936/10,783,761,856.10
  6. Step 6: Final answer
    x = 13,563,503,980.95

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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.